diff --git a/test/checks/navigation/heading-order.js b/test/checks/navigation/heading-order.js
index 9d056573ed..779b62604f 100644
--- a/test/checks/navigation/heading-order.js
+++ b/test/checks/navigation/heading-order.js
@@ -1,14 +1,14 @@
-describe('heading-order', function() {
+describe('heading-order', function () {
   'use strict';
 
   var checkContext = axe.testUtils.MockCheckContext();
   var queryFixture = axe.testUtils.queryFixture;
 
-  afterEach(function() {
+  afterEach(function () {
     checkContext.reset();
   });
 
-  it('should store the heading order path and level for [role=heading] elements and return true', function() {
+  it('should store the heading order path and level for [role=heading] elements and return true', function () {
     var vNode = queryFixture(
       '<div role="heading" aria-level="1" id="target">One</div><div role="heading" aria-level="3">Three</div>'
     );
@@ -31,7 +31,7 @@ describe('heading-order', function() {
     });
   });
 
-  it('should handle incorrect aria-level values', function() {
+  it('should handle incorrect aria-level values', function () {
     var vNode = queryFixture(
       '<div role="heading" aria-level="-1" id="target">One</div><div role="heading">Two</div>'
     );
@@ -54,7 +54,7 @@ describe('heading-order', function() {
     });
   });
 
-  it('should allow high aria-level values', function() {
+  it('should allow high aria-level values', function () {
     var vNode = queryFixture(
       '<div role="heading" aria-level="12" id="target">One</div>'
     );
@@ -73,7 +73,7 @@ describe('heading-order', function() {
     });
   });
 
-  it('should store the correct header level for hn tags and return true', function() {
+  it('should store the correct header level for hn tags and return true', function () {
     var vNode = queryFixture('<h1 id="target">One</h1><h3>Three</h3>');
     assert.isTrue(
       axe.testUtils
@@ -94,7 +94,7 @@ describe('heading-order', function() {
     });
   });
 
-  it('should allow aria-level to override semantic level for hn tags and return true', function() {
+  it('should allow aria-level to override semantic level for hn tags and return true', function () {
     var vNode = queryFixture(
       '<h1 aria-level="2" id="target">Two</h1><h3 aria-level="4">Four</h3>'
     );
@@ -117,8 +117,8 @@ describe('heading-order', function() {
     });
   });
 
-  it('should ignore aria-level on iframe when not used with role=heading', function() {
-    var vNode = queryFixture('<iframe aria-level="2"></iframe>');
+  it('should ignore aria-level on iframe when not used with role=heading', function () {
+    var vNode = queryFixture('<iframe aria-level="2" id="target"></iframe>');
     axe.testUtils
       .getCheckEvaluate('heading-order')
       .call(checkContext, null, {}, vNode, { initiator: true });
@@ -132,7 +132,7 @@ describe('heading-order', function() {
     });
   });
 
-  it('should correctly give level on hn tag with role=heading', function() {
+  it('should correctly give level on hn tag with role=heading', function () {
     var vNode = queryFixture(
       '<h1 role="heading" id="target">One</h1><h3 role="heading">Three</h3>'
     );
@@ -155,7 +155,7 @@ describe('heading-order', function() {
     });
   });
 
-  it('should return the heading level when an hn tag has an invalid aria-level', function() {
+  it('should return the heading level when an hn tag has an invalid aria-level', function () {
     var vNode = queryFixture('<h1 aria-level="-1" id="target">One</h1>');
     assert.isTrue(
       axe.testUtils
@@ -172,7 +172,7 @@ describe('heading-order', function() {
     });
   });
 
-  it('should store the location of iframes', function() {
+  it('should store the location of iframes', function () {
     var vNode = queryFixture(
       '<h1 id="target">One</h1><iframe></iframe><h3>Three</h3>'
     );
@@ -197,8 +197,8 @@ describe('heading-order', function() {
     });
   });
 
-  describe('after', function() {
-    it('should return false when header level increases by 2', function() {
+  describe('after', function () {
+    it('should return false when header level increases by 2', function () {
       var results = [
         {
           data: {
@@ -224,7 +224,7 @@ describe('heading-order', function() {
       assert.isFalse(checks['heading-order'].after(results)[1].result);
     });
 
-    it('should return true when header level decreases by 1', function() {
+    it('should return true when header level decreases by 1', function () {
       var results = [
         {
           data: {
@@ -250,7 +250,7 @@ describe('heading-order', function() {
       assert.isTrue(checks['heading-order'].after(results)[1].result);
     });
 
-    it('should return true when header level decreases by 2', function() {
+    it('should return true when header level decreases by 2', function () {
       var results = [
         {
           data: {
@@ -276,7 +276,7 @@ describe('heading-order', function() {
       assert.isTrue(checks['heading-order'].after(results)[1].result);
     });
 
-    it('should return true when there is only one header', function() {
+    it('should return true when there is only one header', function () {
       var results = [
         {
           data: {
@@ -294,7 +294,7 @@ describe('heading-order', function() {
       assert.isTrue(checks['heading-order'].after(results)[0].result);
     });
 
-    it('should return true when header level increases by 1', function() {
+    it('should return true when header level increases by 1', function () {
       var results = [
         {
           data: {
@@ -324,7 +324,7 @@ describe('heading-order', function() {
       assert.isTrue(checks['heading-order'].after(results)[1].result);
     });
 
-    it('should return true if heading levels are correct across iframes', function() {
+    it('should return true if heading levels are correct across iframes', function () {
       var results = [
         {
           data: {
@@ -374,7 +374,7 @@ describe('heading-order', function() {
       assert.isTrue(afterResults[2].result);
     });
 
-    it('should return false if heading levels are incorrect across iframes', function() {
+    it('should return false if heading levels are incorrect across iframes', function () {
       var results = [
         {
           data: {
@@ -424,7 +424,7 @@ describe('heading-order', function() {
       assert.isTrue(afterResults[2].result);
     });
 
-    it('should handle nested iframes', function() {
+    it('should handle nested iframes', function () {
       var results = [
         {
           data: {
@@ -493,7 +493,7 @@ describe('heading-order', function() {
       assert.isTrue(afterResults[3].result);
     });
 
-    it('sets the result to undefined when the heading is not in the map', function() {
+    it('sets the result to undefined when the heading is not in the map', function () {
       var results = [
         {
           data: {
@@ -522,7 +522,7 @@ describe('heading-order', function() {
       assert.isUndefined(afterResults[1].result);
     });
 
-    it('ignores frames for which there are no results', function() {
+    it('ignores frames for which there are no results', function () {
       var results = [
         {
           data: {
@@ -574,7 +574,7 @@ describe('heading-order', function() {
       assert.isFalse(afterResults[2].result);
     });
 
-    it('should not error if iframe is first result', function() {
+    it('should not error if iframe is first result', function () {
       var results = [
         {
           data: {
@@ -624,7 +624,7 @@ describe('heading-order', function() {
       assert.isTrue(afterResults[2].result);
     });
 
-    it('runs when the top frame has no heading', function() {
+    it('runs when the top frame has no heading', function () {
       var results = [
         {
           data: {
@@ -657,7 +657,7 @@ describe('heading-order', function() {
       assert.isFalse(afterResults[1].result);
     });
 
-    it('understand shadow DOM in ancestries', function() {
+    it('understand shadow DOM in ancestries', function () {
       var results = [
         {
           data: {
@@ -720,7 +720,7 @@ describe('heading-order', function() {
       assert.isTrue(afterResults[3].result);
     });
 
-    it('run when an in-between frame has no heading', function() {
+    it('run when an in-between frame has no heading', function () {
       var results = [
         {
           data: {
@@ -779,7 +779,7 @@ describe('heading-order', function() {
       assert.isTrue(afterResults[3].result);
     });
 
-    it('can fail the second heading, if the first is excluded', function() {
+    it('can fail the second heading, if the first is excluded', function () {
       var results = [
         {
           data: {
diff --git a/test/commons/text/form-control-value.js b/test/commons/text/form-control-value.js
index 88f6d39345..56041ed5f3 100644
--- a/test/commons/text/form-control-value.js
+++ b/test/commons/text/form-control-value.js
@@ -1,4 +1,4 @@
-describe('text.formControlValue', function() {
+describe('text.formControlValue', function () {
   var formControlValue = axe.commons.text.formControlValue;
   var queryFixture = axe.testUtils.queryFixture;
   var fixtureSetup = axe.testUtils.fixtureSetup;
@@ -16,7 +16,7 @@ describe('text.formControlValue', function() {
     return nodeType;
   }
 
-  it('returns the first truthy result from text.formControlValueMethods', function() {
+  it('returns the first truthy result from text.formControlValueMethods', function () {
     var target = queryFixture(
       '<div id="target" role="textbox" value="foo">bar</div>'
     );
@@ -24,28 +24,28 @@ describe('text.formControlValue', function() {
     assert.equal(formControlValue(target, { startNode: fixture }), 'bar');
   });
 
-  it('returns `` when the node equals context.startNode', function() {
+  it('returns `` when the node equals context.startNode', function () {
     var target = queryFixture('<input id="target" value="foo" />');
     assert.equal(formControlValue(target, { startNode: target }), '');
   });
 
-  it('returns `` when accessibleNameFromFieldValue says the role is unsupported', function() {
+  it('returns `` when accessibleNameFromFieldValue says the role is unsupported', function () {
     var target = queryFixture(
       '<input id="target" value="foo" role="combobox"/>'
     );
     assert.equal(formControlValue(target), '');
   });
 
-  describe('nativeTextboxValue', function() {
+  describe('nativeTextboxValue', function () {
     var nativeTextboxValue =
       axe.commons.text.formControlValueMethods.nativeTextboxValue;
 
-    it('returns the value of textarea elements', function() {
+    it('returns the value of textarea elements', function () {
       var target = queryFixture('<textarea>foo</textarea>', 'textarea');
       assert.equal(nativeTextboxValue(target), 'foo');
     });
 
-    it('returns the value of text field input elements', function() {
+    it('returns the value of text field input elements', function () {
       var formData = {
         text: 'foo',
         date: '2018-12-12',
@@ -60,7 +60,7 @@ describe('text.formControlValue', function() {
         week: '2018-W46'
       };
       fixtureSetup(
-        Object.keys(formData).reduce(function(html, fieldType) {
+        Object.keys(formData).reduce(function (html, fieldType) {
           return (
             html +
             '<input type="' +
@@ -73,7 +73,7 @@ describe('text.formControlValue', function() {
       );
       axe.utils
         .querySelectorAll(axe._tree[0], '#fixture input')
-        .forEach(function(target) {
+        .forEach(function (target) {
           var expected = formData[getNodeType(target.actualNode)];
           assert.isDefined(expected);
           var actual = nativeTextboxValue(target);
@@ -85,7 +85,7 @@ describe('text.formControlValue', function() {
         });
     });
 
-    it('returns `` for non-text input elements', function() {
+    it('returns `` for non-text input elements', function () {
       fixtureSetup(
         '<input type="button" value="foo">' +
           '<input type="checkbox" value="foo">' +
@@ -100,7 +100,7 @@ describe('text.formControlValue', function() {
       );
       axe.utils
         .querySelectorAll(axe._tree[0], '#fixture input')
-        .forEach(function(target) {
+        .forEach(function (target) {
           // Safari and IE11 do not support the color input type
           // and thus treat them as text inputs. ignore fallback
           // inputs
@@ -116,16 +116,16 @@ describe('text.formControlValue', function() {
         });
     });
 
-    it('returns the value of DOM nodes', function() {
+    it('returns the value of DOM nodes', function () {
       fixture.innerHTML = '<input value="foo">';
       axe.utils.getFlattenedTree(fixture);
       assert.equal(nativeTextboxValue(fixture.querySelector('input')), 'foo');
     });
 
-    it('returns `` for other elements', function() {
+    it('returns `` for other elements', function () {
       // some random elements:
       ['div', 'span', 'h1', 'output', 'summary', 'style', 'template'].forEach(
-        function(nodeName) {
+        function (nodeName) {
           var target = document.createElement(nodeName);
           target.value = 'foo'; // That shouldn't do anything
           fixture.appendChild(target);
@@ -136,11 +136,11 @@ describe('text.formControlValue', function() {
     });
   });
 
-  describe('nativeSelectValue', function() {
+  describe('nativeSelectValue', function () {
     var nativeSelectValue =
       axe.commons.text.formControlValueMethods.nativeSelectValue;
 
-    it('returns the selected option text', function() {
+    it('returns the selected option text', function () {
       var target = queryFixture(
         '<select id="target">' +
           '  <option>foo</option>' +
@@ -150,7 +150,7 @@ describe('text.formControlValue', function() {
       assert.equal(nativeSelectValue(target), 'baz');
     });
 
-    it('returns the selected option text after selection', function() {
+    it('returns the selected option text after selection', function () {
       injectIntoFixture(
         '<select id="target">' +
           '  <option value="foo" selected>foo</option>' +
@@ -163,7 +163,7 @@ describe('text.formControlValue', function() {
       assert.equal(nativeSelectValue(target), 'baz');
     });
 
-    it('returns multiple options, space seperated', function() {
+    it('returns multiple options, space seperated', function () {
       // Can't apply multiple "selected" props without setting "multiple"
       var target = queryFixture(
         '<select id="target" multiple>' +
@@ -178,7 +178,7 @@ describe('text.formControlValue', function() {
       assert.equal(nativeSelectValue(target), 'foo bar baz');
     });
 
-    it('returns options from within optgroup elements', function() {
+    it('returns options from within optgroup elements', function () {
       var target = queryFixture(
         '<select id="target" multiple>' +
           '  <option>oof</option>' +
@@ -196,7 +196,7 @@ describe('text.formControlValue', function() {
       assert.equal(nativeSelectValue(target), 'foo bar baz');
     });
 
-    it('returns the first option when there are no selected options', function() {
+    it('returns the first option when there are no selected options', function () {
       // Browser automatically selectes the first option
       var target = queryFixture(
         '<select id="target">' +
@@ -207,10 +207,10 @@ describe('text.formControlValue', function() {
       assert.equal(nativeSelectValue(target), 'foo');
     });
 
-    it('returns `` for other elements', function() {
+    it('returns `` for other elements', function () {
       // some random elements:
       ['div', 'span', 'h1', 'output', 'summary', 'style', 'template'].forEach(
-        function(nodeName) {
+        function (nodeName) {
           var target = document.createElement(nodeName);
           target.value = 'foo'; // That shouldn't do anything
           fixture.appendChild(target);
@@ -221,21 +221,21 @@ describe('text.formControlValue', function() {
     });
   });
 
-  describe('ariaTextboxValue', function() {
+  describe('ariaTextboxValue', function () {
     var ariaTextboxValue =
       axe.commons.text.formControlValueMethods.ariaTextboxValue;
 
-    it('returns the text of role=textbox elements', function() {
+    it('returns the text of role=textbox elements', function () {
       var target = queryFixture('<div id="target" role="textbox">foo</div>');
       assert.equal(ariaTextboxValue(target), 'foo');
     });
 
-    it('returns `` for elements without role=textbox', function() {
+    it('returns `` for elements without role=textbox', function () {
       var target = queryFixture('<div id="target" role="combobox">foo</div>');
       assert.equal(ariaTextboxValue(target), '');
     });
 
-    it('ignores text hidden with CSS', function() {
+    it('ignores text hidden with CSS', function () {
       var target = queryFixture(
         '<div id="target" role="textbox">' +
           '<span>foo</span>' +
@@ -246,7 +246,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaTextboxValue(target), 'foo');
     });
 
-    it('ignores elements with hidden content', function() {
+    it('ignores elements with hidden content', function () {
       var target = queryFixture(
         '<div id="target" role="textbox">' +
           '<span>span</span>' +
@@ -260,7 +260,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaTextboxValue(target), 'spanh1');
     });
 
-    it('does not return HTML or comments', function() {
+    it('does not return HTML or comments', function () {
       var target = queryFixture(
         '<div id="target" role="textbox">' +
           '<i>foo</i>' +
@@ -270,7 +270,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaTextboxValue(target), 'foo');
     });
 
-    it('returns the entire text content if the textbox is hidden', function() {
+    it('returns the entire text content if the textbox is hidden', function () {
       var target = queryFixture(
         '<div id="target" role="textbox" style="display:none">' +
           // Yes, this is how it works in browsers :-(
@@ -281,11 +281,11 @@ describe('text.formControlValue', function() {
     });
   });
 
-  describe('ariaListboxValue', function() {
+  describe('ariaListboxValue', function () {
     var ariaListboxValue =
       axe.commons.text.formControlValueMethods.ariaListboxValue;
 
-    it('returns the selected option when the element is a listbox', function() {
+    it('returns the selected option when the element is a listbox', function () {
       var target = queryFixture(
         '<div id="target" role="listbox">' +
           '  <div role="option">foo</div>' +
@@ -296,7 +296,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaListboxValue(target), 'bar');
     });
 
-    it('returns `` when the element is not a listbox', function() {
+    it('returns `` when the element is not a listbox', function () {
       var target = queryFixture(
         '<div id="target" role="combobox">' +
           '  <div role="option">foo</div>' +
@@ -307,7 +307,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaListboxValue(target), '');
     });
 
-    it('returns `` when there is no selected option', function() {
+    it('returns `` when there is no selected option', function () {
       var target = queryFixture(
         '<div id="target" role="listbox">' +
           '  <div role="option">foo</div>' +
@@ -318,7 +318,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaListboxValue(target), '');
     });
 
-    it('returns `` when aria-selected is not true option', function() {
+    it('returns `` when aria-selected is not true option', function () {
       var target = queryFixture(
         '<div id="target" role="listbox">' +
           '  <div role="option" aria-selected="false">foo</div>' +
@@ -330,7 +330,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaListboxValue(target), '');
     });
 
-    it('returns selected options from aria-owned', function() {
+    it('returns selected options from aria-owned', function () {
       var target = queryFixture(
         '<div id="target" role="listbox" aria-owns="opt1 opt2 opt3"></div>' +
           '<div role="option" id="opt1">foo</div>' +
@@ -340,7 +340,7 @@ describe('text.formControlValue', function() {
       assert.equal(ariaListboxValue(target), 'bar');
     });
 
-    it('ignores aria-selected for elements that are not options', function() {
+    it('ignores aria-selected for elements that are not options', function () {
       var target = queryFixture(
         '<div id="target" role="listbox" aria-owns="opt1 opt2 opt3"></div>' +
           '<div id="opt1">foo</div>' +
@@ -350,8 +350,8 @@ describe('text.formControlValue', function() {
       assert.equal(ariaListboxValue(target), '');
     });
 
-    describe('with multiple aria-selected', function() {
-      it('returns the first selected option from children', function() {
+    describe('with multiple aria-selected', function () {
+      it('returns the first selected option from children', function () {
         var target = queryFixture(
           '<div id="target" role="listbox">' +
             '  <div role="option">foo</div>' +
@@ -362,7 +362,7 @@ describe('text.formControlValue', function() {
         assert.equal(ariaListboxValue(target), 'bar');
       });
 
-      it('returns the first selected option in aria-owned (as opposed to in the DOM order)', function() {
+      it('returns the first selected option in aria-owned (as opposed to in the DOM order)', function () {
         var target = queryFixture(
           '<div id="target" role="listbox" aria-owns="opt3 opt2 opt1"></div>' +
             '<div role="option" id="opt1" aria-selected="true">foo</div>' +
@@ -372,7 +372,7 @@ describe('text.formControlValue', function() {
         assert.equal(ariaListboxValue(target), 'bar');
       });
 
-      it('returns the a selected child before a selected aria-owned element', function() {
+      it('returns the a selected child before a selected aria-owned element', function () {
         var target = queryFixture(
           '<div id="target" role="listbox" aria-owns="opt2 opt3">' +
             '  <div role="option" aria-selected="true">foo</div>' +
@@ -383,7 +383,7 @@ describe('text.formControlValue', function() {
         assert.equal(ariaListboxValue(target), 'foo');
       });
 
-      it('ignores aria-multiselectable=true', function() {
+      it('ignores aria-multiselectable=true', function () {
         // aria-multiselectable doesn't add additional content to the accessible name
         var target = queryFixture(
           '<div id="target" role="listbox" aria-owns="opt2 opt3" aria-multiselectable="true">' +
@@ -397,7 +397,7 @@ describe('text.formControlValue', function() {
     });
   });
 
-  describe('ariaComboboxValue', function() {
+  describe('ariaComboboxValue', function () {
     var ariaComboboxValue =
       axe.commons.text.formControlValueMethods.ariaComboboxValue;
 
@@ -408,30 +408,29 @@ describe('text.formControlValue', function() {
       '  <div role="option" aria-selected="true">bar</div>' +
       '</div>';
 
-    it('returns the text of role=combobox elements', function() {
+    it('returns the text of role=combobox elements', function () {
       var target = queryFixture(
         '<div id="target" role="combobox">' + comboboxContent + '</div>'
       );
       assert.equal(ariaComboboxValue(target), 'bar');
     });
 
-    it('returns `` for elements without role=combobox', function() {
-      queryFixture('<div role="combobox">' + comboboxContent + '</div>');
-      var target = axe.utils.querySelectorAll(
-        axe._tree[0],
+    it('returns `` for elements without role=combobox', function () {
+      var target = queryFixture(
+        '<div role="combobox">' + comboboxContent + '</div>',
         '[role=listbox]'
-      )[0];
+      );
       assert.equal(ariaComboboxValue(target), '');
     });
 
-    it('passes child listbox to `ariaListboxValue` and returns its result', function() {
+    it('passes child listbox to `ariaListboxValue` and returns its result', function () {
       var target = queryFixture(
         '<div id="target" role="combobox">' + comboboxContent + '</div>'
       );
       assert.equal(ariaComboboxValue(target), 'bar');
     });
 
-    it('passes aria-owned listbox to `ariaListboxValue` and returns its result', function() {
+    it('passes aria-owned listbox to `ariaListboxValue` and returns its result', function () {
       var target = queryFixture(
         '<div id="target" role="combobox" aria-owns="text list"></div>' +
           comboboxContent
@@ -440,19 +439,19 @@ describe('text.formControlValue', function() {
     });
   });
 
-  describe('ariaRangeValue', function() {
+  describe('ariaRangeValue', function () {
     var rangeRoles = ['progressbar', 'scrollbar', 'slider', 'spinbutton'];
     var ariaRangeValue =
       axe.commons.text.formControlValueMethods.ariaRangeValue;
 
-    it('returns `` for roles that are not ranges', function() {
+    it('returns `` for roles that are not ranges', function () {
       var target = queryFixture('<div id="target" role="textbox">foo</div>');
       assert.equal(ariaRangeValue(target), '');
     });
 
-    rangeRoles.forEach(function(role) {
-      describe('with ' + role, function() {
-        it('returns the result of aria-valuenow', function() {
+    rangeRoles.forEach(function (role) {
+      describe('with ' + role, function () {
+        it('returns the result of aria-valuenow', function () {
           var target = queryFixture(
             '<div id="target" role="' +
               role +
@@ -461,14 +460,14 @@ describe('text.formControlValue', function() {
           assert.equal(ariaRangeValue(target), '123');
         });
 
-        it('returns `0` if aria-valuenow is not a number', function() {
+        it('returns `0` if aria-valuenow is not a number', function () {
           var target = queryFixture(
             '<div id="target" role="' + role + '" aria-valuenow="abc">foo</div>'
           );
           assert.equal(ariaRangeValue(target), '0');
         });
 
-        it('returns decimal numbers', function() {
+        it('returns decimal numbers', function () {
           var target = queryFixture(
             '<div id="target" role="' +
               role +
@@ -477,7 +476,7 @@ describe('text.formControlValue', function() {
           assert.equal(ariaRangeValue(target), '1.5678');
         });
 
-        it('returns negative numbers', function() {
+        it('returns negative numbers', function () {
           var target = queryFixture(
             '<div id="target" role="' +
               role +
diff --git a/test/commons/text/native-text-alternative.js b/test/commons/text/native-text-alternative.js
index 42d5565963..e501c3b9af 100644
--- a/test/commons/text/native-text-alternative.js
+++ b/test/commons/text/native-text-alternative.js
@@ -1,46 +1,46 @@
-describe('text.nativeTextAlternative', function() {
+describe('text.nativeTextAlternative', function () {
   var text = axe.commons.text;
+  var fixtureSetup = axe.testUtils.fixtureSetup;
   var queryFixture = axe.testUtils.queryFixture;
   var nativeTextAlternative = text.nativeTextAlternative;
 
-  it('runs accessible text methods specified for the native element', function() {
+  it('runs accessible text methods specified for the native element', function () {
     var vNode = queryFixture('<button id="target">foo</button>');
     assert.equal(nativeTextAlternative(vNode), 'foo');
   });
 
-  it('returns the accessible text of the first method that returns something', function() {
+  it('returns the accessible text of the first method that returns something', function () {
     var vNode = queryFixture(
       '<input id="target" type="image" alt="foo" value="bar" title="baz">'
     );
     assert.equal(nativeTextAlternative(vNode), 'foo');
   });
 
-  it('returns `` when no method matches', function() {
+  it('returns `` when no method matches', function () {
     var vNode = queryFixture('<div id="target">baz</div>');
     assert.equal(nativeTextAlternative(vNode), '');
   });
 
-  it('returns `` when no accessible text method returned something', function() {
-    queryFixture('<div class="baz">baz</div>');
-    var div = axe.utils.querySelectorAll(axe._tree[0], '.baz')[0];
+  it('returns `` when no accessible text method returned something', function () {
+    var div = queryFixture('<div id="target">baz</div>');
     assert.equal(nativeTextAlternative(div), '');
   });
 
-  it('returns `` when the node is not an element', function() {
-    queryFixture('foo bar baz');
+  it('returns `` when the node is not an element', function () {
+    fixtureSetup('foo bar baz');
     var fixture = axe.utils.querySelectorAll(axe._tree[0], '#fixture')[0];
     assert.equal(fixture.children[0].actualNode.nodeType, 3);
     assert.equal(nativeTextAlternative(fixture.children[0]), '');
   });
 
-  it('returns `` when the element has role=presentation', function() {
+  it('returns `` when the element has role=presentation', function () {
     var vNode = queryFixture(
       '<img id="target" alt="foo" role="presentation" />'
     );
     assert.equal(nativeTextAlternative(vNode), '');
   });
 
-  it('returns `` when the element has role=none', function() {
+  it('returns `` when the element has role=none', function () {
     var vNode = queryFixture('<img id="target" alt="foo" role="none" />');
     assert.equal(nativeTextAlternative(vNode), '');
   });
diff --git a/test/testutils.js b/test/testutils.js
index 984a029e2c..362a9cfb99 100644
--- a/test/testutils.js
+++ b/test/testutils.js
@@ -422,28 +422,46 @@ testUtils.assertStylesheet = function assertStylesheet(
   }
 };
 
-/*
+/**
  * Injecting content into a fixture and return queried element within fixture
  *
- * @param {String|Node} content to go into the fixture (html or DOM node)
- * @return HTMLElement
+ * @param {String|Node} html - content to go into the fixture (html or DOM node)
+ * @param {String} [query=#target] - the CSS selector query to find target DOM node
+ * @return {VirtualNode}
  */
 testUtils.queryFixture = function queryFixture(html, query) {
+  query = query || '#target';
   var rootNode = testUtils.fixtureSetup(html);
-  return axe.utils.querySelectorAll(rootNode, query || '#target')[0];
+  var vNode = axe.utils.querySelectorAll(rootNode, query)[0];
+  assert.exists(
+    vNode,
+    'Node does not exist in query `' +
+      query +
+      '`. This is usually fixed by adding the default target (`id="target"`) to your html parameter. If you do not intend on querying the fixture for #target, consider using `axe.testUtils.fixtureSetup()` instead.'
+  );
+  return vNode;
 };
 
 /**
  * Return the checks evaluate method and apply default options
- * @param {String} checkId - ID of the check
- * @return Function
+ * @param {string} checkId - ID of the check
+ * @param {} testOptions - Options for the test
+ * @returns {evaluateWrapper} evaluateWrapper - Check evaluation wrapper
  */
 testUtils.getCheckEvaluate = function getCheckEvaluate(checkId, testOptions) {
   var check = checks[checkId];
   testOptions = testOptions || {};
 
-  return function evaluateWrapper(node, options, virtualNode, context) {
+  /**
+   * Wraps a check for evaluation using .call()
+   * @param {HTMLElement} node
+   * @param {*} options
+   * @param {VirtualNode} virtualNode
+   * @param {Context} context
+   */
+  var evaluateWrapper = function (node, options, virtualNode, context) {
     var opts = check.getOptions(options);
+
     var result = check.evaluate.call(this, node, opts, virtualNode, context);
 
     // ensure that every result has a corresponding message
@@ -519,6 +537,7 @@ testUtils.getCheckEvaluate = function getCheckEvaluate(checkId, testOptions) {
 
     return result;
   };
+  return evaluateWrapper;
 };
 
 /**