diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
new file mode 100644
index 00000000..5eddcc57
--- /dev/null
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/Extensions.java
@@ -0,0 +1,25 @@
+package org.commonmark.integration;
+
+import org.commonmark.Extension;
+import org.commonmark.ext.autolink.AutolinkExtension;
+import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
+import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
+import org.commonmark.ext.gfm.tables.TablesExtension;
+import org.commonmark.ext.image.attributes.ImageAttributesExtension;
+import org.commonmark.ext.ins.InsExtension;
+import org.commonmark.ext.task.list.items.TaskListItemsExtension;
+
+import java.util.Arrays;
+import java.util.List;
+
+public class Extensions {
+
+    static final List<Extension> ALL_EXTENSIONS = Arrays.asList(
+            AutolinkExtension.create(),
+            ImageAttributesExtension.create(),
+            InsExtension.create(),
+            StrikethroughExtension.create(),
+            TablesExtension.create(),
+            TaskListItemsExtension.create(),
+            YamlFrontMatterExtension.create());
+}
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
new file mode 100644
index 00000000..f5d84b5a
--- /dev/null
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/ExtensionsIntegrationTest.java
@@ -0,0 +1,37 @@
+package org.commonmark.integration;
+
+import org.commonmark.parser.Parser;
+import org.commonmark.renderer.html.HtmlRenderer;
+import org.commonmark.testutil.RenderingTestCase;
+import org.junit.Test;
+
+/**
+ * Tests to ensure all extensions work well together.
+ */
+public class ExtensionsIntegrationTest extends RenderingTestCase {
+
+    protected static final Parser PARSER = Parser.builder()
+            .extensions(Extensions.ALL_EXTENSIONS)
+            .build();
+    protected static final HtmlRenderer RENDERER = HtmlRenderer.builder()
+            .extensions(Extensions.ALL_EXTENSIONS)
+            .percentEncodeUrls(true)
+            .build();
+
+    @Test
+    public void testImageAttributes() {
+        assertRendering("![text](/url.png){height=5 width=6}", "<p><img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" /></p>\n");
+    }
+
+    @Test
+    public void testTaskListItems() {
+        assertRendering("- [ ] task to do\n- [x] task done\n",
+                "<ul>\n<li><input type=\"checkbox\" disabled=\"\"> task to do</li>\n" +
+                        "<li><input type=\"checkbox\" disabled=\"\" checked=\"\"> task done</li>\n</ul>\n");
+
+    }
+
+    protected String render(String source) {
+        return RENDERER.render(PARSER.parse(source));
+    }
+}
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
index b6fa4922..a0649f53 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SourceSpanIntegrationTest.java
@@ -10,7 +10,7 @@
 public class SourceSpanIntegrationTest extends SpecIntegrationTest {
 
     protected static final Parser PARSER = Parser.builder()
-            .extensions(EXTENSIONS)
+            .extensions(Extensions.ALL_EXTENSIONS)
             .includeSourceSpans(IncludeSourceSpans.BLOCKS)
             .build();
 
diff --git a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
index f434f65d..2b615aa4 100644
--- a/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
+++ b/commonmark-integration-test/src/test/java/org/commonmark/integration/SpecIntegrationTest.java
@@ -1,18 +1,9 @@
 package org.commonmark.integration;
 
-import org.commonmark.Extension;
-import org.commonmark.ext.autolink.AutolinkExtension;
-import org.commonmark.ext.image.attributes.ImageAttributesExtension;
-import org.commonmark.ext.ins.InsExtension;
-import org.commonmark.ext.gfm.strikethrough.StrikethroughExtension;
-import org.commonmark.ext.gfm.tables.TablesExtension;
-import org.commonmark.ext.front.matter.YamlFrontMatterExtension;
-import org.commonmark.ext.task.list.items.TaskListItemsExtension;
 import org.commonmark.renderer.html.HtmlRenderer;
 import org.commonmark.parser.Parser;
 import org.commonmark.testutil.example.Example;
 import org.commonmark.testutil.SpecTestCase;
-import org.junit.Assert;
 import org.junit.Test;
 
 import java.util.*;
@@ -24,17 +15,9 @@
  */
 public class SpecIntegrationTest extends SpecTestCase {
 
-    protected static final List<Extension> EXTENSIONS = Arrays.asList(
-            AutolinkExtension.create(),
-            ImageAttributesExtension.create(),
-            InsExtension.create(),
-            StrikethroughExtension.create(),
-            TablesExtension.create(),
-            TaskListItemsExtension.create(),
-            YamlFrontMatterExtension.create());
-    protected static final Parser PARSER = Parser.builder().extensions(EXTENSIONS).build();
+    protected static final Parser PARSER = Parser.builder().extensions(Extensions.ALL_EXTENSIONS).build();
     // The spec says URL-escaping is optional, but the examples assume that it's enabled.
-    protected static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(EXTENSIONS).percentEncodeUrls(true).build();
+    protected static final HtmlRenderer RENDERER = HtmlRenderer.builder().extensions(Extensions.ALL_EXTENSIONS).percentEncodeUrls(true).build();
     protected static final Map<String, String> OVERRIDDEN_EXAMPLES = getOverriddenExamples();
 
     public SpecIntegrationTest(Example example) {
@@ -59,7 +42,7 @@ private static Map<String, String> getOverriddenExamples() {
         Map<String, String> m = new HashMap<>();
 
         // Not a spec autolink because of space, but the resulting text contains a valid URL
-        m.put("<http://foo.bar/baz bim>\n", "<p>&lt;<a href=\"http://foo.bar/baz\">http://foo.bar/baz</a> bim&gt;</p>\n");
+        m.put("<https://foo.bar/baz bim>\n", "<p>&lt;<a href=\"https://foo.bar/baz\">https://foo.bar/baz</a> bim&gt;</p>\n");
 
         // Not a spec autolink, but the resulting text contains a valid email
         m.put("<foo\\+@bar.example.com>\n", "<p>&lt;<a href=\"mailto:foo+@bar.example.com\">foo+@bar.example.com</a>&gt;</p>\n");
@@ -68,10 +51,10 @@ private static Map<String, String> getOverriddenExamples() {
         m.put("<heck://bing.bong>\n", "<p>&lt;<a href=\"heck://bing.bong%3E\">heck://bing.bong&gt;</a></p>\n");
 
         // Not a spec autolink because of spaces, but autolink extension doesn't limit schemes
-        m.put("< http://foo.bar >\n", "<p>&lt; <a href=\"http://foo.bar\">http://foo.bar</a> &gt;</p>\n");
+        m.put("< https://foo.bar >\n", "<p>&lt; <a href=\"https://foo.bar\">https://foo.bar</a> &gt;</p>\n");
 
         // Plain autolink
-        m.put("http://example.com\n", "<p><a href=\"http://example.com\">http://example.com</a></p>\n");
+        m.put("https://example.com\n", "<p><a href=\"https://example.com\">https://example.com</a></p>\n");
 
         // Plain autolink
         m.put("foo@bar.example.com\n", "<p><a href=\"mailto:foo@bar.example.com\">foo@bar.example.com</a></p>\n");
@@ -80,13 +63,6 @@ private static Map<String, String> getOverriddenExamples() {
         m.put("---\nFoo\n---\nBar\n---\nBaz\n", "<h2>Bar</h2>\n<p>Baz</p>\n");
         m.put("---\n---\n", "");
 
-        // Image attributes
-        m.put("![text](/url.png){height=5 width=6}", "<img src=\"/url.png\" alt=\"text\" height=\"5\" width=\"6\" />");
-
-        // Task list items
-        m.put("- [ ] task to do\n- [x] task done\n", "<ul>\n<li><input type=\"checkbox\" disabled=\"\"> task to do</li>\n" +
-                "<li><input type=\"checkbox\" disabled=\"\" checked=\"\"> task done</li>\n</ul>\n");
-
         return m;
     }