Gate this test on disabling the client cache

Otherwise we end up throwing since the Fizz implementation doesn't have one,
or if it did, we'd fail the test since it was enabled.

packages/react-html/src/__tests__/ReactHTMLClient-test.js

@@ -118,6 +118,7 @@ describe('ReactHTML', () => {
     );
   });
 
+  // @gate disableClientCache
   it('does NOT support cache yet because it is a client component', async () => {
     let counter = 0;
     const getCount = React.cache(() => {