diff --git a/packages/react/src/components/Checkbox/Checkbox-test.js b/packages/react/src/components/Checkbox/Checkbox-test.js
index f1d257704396..a432799a0f6e 100644
--- a/packages/react/src/components/Checkbox/Checkbox-test.js
+++ b/packages/react/src/components/Checkbox/Checkbox-test.js
@@ -131,7 +131,12 @@ describe('refs', () => {
         );
       }
     }
-    const wrapper = mount(<MyComponent />);
+    const container = document.createElement('div');
+    container.id = 'container';
+    document.body.appendChild(container);
+    const wrapper = mount(<MyComponent />, {
+      attachTo: document.querySelector('#container'),
+    });
     expect(document.activeElement.type).toBeUndefined();
     wrapper.instance().focus();
     expect(document.activeElement.type).toEqual('checkbox');
diff --git a/packages/react/src/components/ComposedModal/ComposedModal-test.js b/packages/react/src/components/ComposedModal/ComposedModal-test.js
index 4a2f5eae1c76..e29dca8174c1 100644
--- a/packages/react/src/components/ComposedModal/ComposedModal-test.js
+++ b/packages/react/src/components/ComposedModal/ComposedModal-test.js
@@ -214,25 +214,35 @@ describe('<ComposedModal />', () => {
   });
 
   it('should focus on the primary actionable button in ModalFooter by default', () => {
+    const container = document.createElement('div');
+    container.id = 'container';
+    document.body.appendChild(container);
     mount(
       <ComposedModal open>
         <ModalFooter primaryButtonText="Save" />
-      </ComposedModal>
+      </ComposedModal>,
+      { attachTo: document.querySelector('#container') }
     );
     expect(
       document.activeElement.classList.contains(`${prefix}--btn--primary`)
     ).toEqual(true);
+    document.body.removeChild(container);
   });
 
   it('should focus on the element that matches selectorPrimaryFocus', () => {
+    const container = document.createElement('div');
+    container.id = 'container';
+    document.body.appendChild(container);
     mount(
       <ComposedModal open selectorPrimaryFocus={`.${prefix}--modal-close`}>
         <ModalHeader label="Optional Label" title="Example" />
         <ModalFooter primaryButtonText="Save" />
-      </ComposedModal>
+      </ComposedModal>,
+      { attachTo: document.querySelector('#container') }
     );
     expect(
       document.activeElement.classList.contains(`${prefix}--modal-close`)
     ).toEqual(true);
+    document.body.removeChild(container);
   });
 });
diff --git a/packages/react/src/components/Select/Select-test.js b/packages/react/src/components/Select/Select-test.js
index 88e8098c0eda..10559bb5de25 100644
--- a/packages/react/src/components/Select/Select-test.js
+++ b/packages/react/src/components/Select/Select-test.js
@@ -164,7 +164,12 @@ describe('refs', () => {
         return <Select id="test" labelText="testlabel" ref={this.myRef} />;
       }
     }
-    const wrapper = mount(<MyComponent />);
+    const container = document.createElement('div');
+    container.id = 'container';
+    document.body.appendChild(container);
+    const wrapper = mount(<MyComponent />, {
+      attachTo: document.querySelector('#container'),
+    });
     expect(document.activeElement.type).toBeUndefined();
     wrapper.instance().focus();
     expect(document.activeElement.type).toEqual('select-one');
diff --git a/packages/react/src/components/TextInput/ControlledPasswordInput-test.js b/packages/react/src/components/TextInput/ControlledPasswordInput-test.js
index f3552f8cf046..7093643ef111 100644
--- a/packages/react/src/components/TextInput/ControlledPasswordInput-test.js
+++ b/packages/react/src/components/TextInput/ControlledPasswordInput-test.js
@@ -47,7 +47,12 @@ describe('TextInput', () => {
             );
           }
         }
-        const wrapper = mount(<MyComponent />);
+        const container = document.createElement('div');
+        container.id = 'container';
+        document.body.appendChild(container);
+        const wrapper = mount(<MyComponent />, {
+          attachTo: document.querySelector('#container'),
+        });
         expect(document.activeElement.type).toBeUndefined();
         wrapper.instance().focus();
         expect(document.activeElement.type).toEqual('text');
diff --git a/packages/react/src/components/TextInput/TextInput-test.js b/packages/react/src/components/TextInput/TextInput-test.js
index 0cb0f2b8485a..7ff1cd0737df 100644
--- a/packages/react/src/components/TextInput/TextInput-test.js
+++ b/packages/react/src/components/TextInput/TextInput-test.js
@@ -47,7 +47,12 @@ describe('TextInput', () => {
             );
           }
         }
-        const wrapper = mount(<MyComponent />);
+        const container = document.createElement('div');
+        container.id = 'container';
+        document.body.appendChild(container);
+        const wrapper = mount(<MyComponent />, {
+          attachTo: document.querySelector('#container'),
+        });
         expect(document.activeElement.type).toBeUndefined();
         wrapper.instance().focus();
         expect(document.activeElement.type).toEqual('text');