Merge pull request #8921 from facebook/revert-8907-fiberproderrorcode

Revert "Loosen assertion so it matches any production error"

src/renderers/dom/__tests__/ReactDOMProduction-test.js

@@ -185,7 +185,12 @@ describe('ReactDOMProduction', () => {
 
       var container = document.createElement('div');
       ReactDOM.render(<Component />, container);
-    }).toThrowError('Minified React error #');
+    }).toThrowError(
+      'Minified React error #109; visit ' +
+      'http://facebook.github.io/react/docs/error-decoder.html?invariant=109&args[]=Component' +
+      ' for the full message or use the non-minified dev environment' +
+      ' for full errors and additional helpful warnings.'
+    );
   });
 
   if (ReactDOMFeatureFlags.useFiber) {