Clean up IE behavior test in trustedTypes-test

Author: Jack Pope

packages/react-dom/src/client/__tests__/trustedTypes-test.internal.js

@@ -206,55 +206,6 @@ describe('when Trusted Types are available in global object', () => {
     }
   });
 
-  describe('dangerouslySetInnerHTML in svg elements in Internet Explorer', () => {
-    let innerHTMLDescriptor;
-
-    // simulate svg elements in Internet Explorer which don't have 'innerHTML' property
-    beforeEach(() => {
-      innerHTMLDescriptor = Object.getOwnPropertyDescriptor(
-        Element.prototype,
-        'innerHTML',
-      );
-      delete Element.prototype.innerHTML;
-      Object.defineProperty(
-        HTMLDivElement.prototype,
-        'innerHTML',
-        innerHTMLDescriptor,
-      );
-    });
-
-    afterEach(() => {
-      delete HTMLDivElement.prototype.innerHTML;
-      Object.defineProperty(
-        Element.prototype,
-        'innerHTML',
-        innerHTMLDescriptor,
-      );
-    });
-
-    it('should log a warning', async () => {
-      class Component extends React.Component {
-        render() {
-          return <svg dangerouslySetInnerHTML={{__html: 'unsafe html'}} />;
-        }
-      }
-      const root = ReactDOMClient.createRoot(container);
-      await expect(async () => {
-        await act(() => {
-          root.render(<Component />);
-        });
-      }).toErrorDev(
-        "Using 'dangerouslySetInnerHTML' in an svg element with " +
-          'Trusted Types enabled in an Internet Explorer will cause ' +
-          'the trusted value to be converted to string. Assigning string ' +
-          "to 'innerHTML' will throw an error if Trusted Types are enforced. " +
-          "You can try to wrap your svg element inside a div and use 'dangerouslySetInnerHTML' " +
-          'on the enclosing div instead.',
-      );
-      expect(container.innerHTML).toBe('<svg>unsafe html</svg>');
-    });
-  });
-
   it('should warn once when rendering script tag in jsx on client', async () => {
     const root = ReactDOMClient.createRoot(container);
     await expect(async () => {