Update tests to reflect that createRoot API is no longer strict by default

Author: Brian Vaughn

packages/react-dom/src/__tests__/ReactTestUtilsAct-test.js

@@ -97,16 +97,10 @@ describe('ReactTestUtils.act()', () => {
     });
 
     // @gate experimental
-    it('warns in concurrent mode', () => {
-      expect(() => {
-        const root = ReactDOM.unstable_createRoot(
-          document.createElement('div'),
-        );
-        root.render(<App />);
-        Scheduler.unstable_flushAll();
-      }).toErrorDev([
-        'An update to App ran an effect, but was not wrapped in act(...)',
-      ]);
+    it('does not warn in concurrent mode', () => {
+      const root = ReactDOM.unstable_createRoot(document.createElement('div'));
+      root.render(<App />);
+      Scheduler.unstable_flushAll();
     });
   });
 });

packages/react-reconciler/src/__tests__/DebugTracing-test.internal.js

@@ -282,7 +282,6 @@ describe('DebugTracing', () => {
     expect(logs).toEqual([
       `group: ⚛️ render (${DEFAULT_LANE_STRING})`,
       `log: ⚛️ Example updated state (${DEFAULT_LANE_STRING})`,
-      `log: ⚛️ Example updated state (${DEFAULT_LANE_STRING})`,
       `groupEnd: ⚛️ render (${DEFAULT_LANE_STRING})`,
     ]);
   });
@@ -366,7 +365,6 @@ describe('DebugTracing', () => {
     expect(logs).toEqual([
       `group: ⚛️ render (${DEFAULT_LANE_STRING})`,
       `log: ⚛️ Example updated state (${DEFAULT_LANE_STRING})`,
-      `log: ⚛️ Example updated state (${DEFAULT_LANE_STRING})`, // debugRenderPhaseSideEffectsForStrictMode
       `groupEnd: ⚛️ render (${DEFAULT_LANE_STRING})`,
     ]);
   });

packages/react-reconciler/src/__tests__/ReactHooksWithNoopRenderer-test.js

@@ -517,11 +517,7 @@ describe('ReactHooksWithNoopRenderer', () => {
           </>,
         );
         expect(() =>
-          expect(Scheduler).toFlushAndYield(
-            __DEV__
-              ? ['Foo [0]', 'Bar', 'Foo [2]']
-              : ['Foo [0]', 'Bar', 'Foo [1]'],
-          ),
+          expect(Scheduler).toFlushAndYield(['Foo [0]', 'Bar', 'Foo [1]']),
         ).toErrorDev([
           'Cannot update a component (`Foo`) while rendering a ' +
             'different component (`Bar`). To locate the bad setState() call inside `Bar`',
@@ -536,11 +532,7 @@ describe('ReactHooksWithNoopRenderer', () => {
             <Bar triggerUpdate={true} />
           </>,
         );
-        expect(Scheduler).toFlushAndYield(
-          __DEV__
-            ? ['Foo [2]', 'Bar', 'Foo [4]']
-            : ['Foo [1]', 'Bar', 'Foo [2]'],
-        );
+        expect(Scheduler).toFlushAndYield(['Foo [1]', 'Bar', 'Foo [2]']);
       });
     });
 
@@ -1762,16 +1754,11 @@ describe('ReactHooksWithNoopRenderer', () => {
         return <Text text={'Count: ' + count} />;
       }
 
-      // we explicitly wait for missing act() warnings here since
-      // it's a lot harder to simulate this condition inside an act scope
-      expect(() => {
-        ReactNoop.render(<Counter count={0} />, () =>
-          Scheduler.unstable_yieldValue('Sync effect'),
-        );
-        expect(Scheduler).toFlushAndYieldThrough(['Count: 0', 'Sync effect']);
-        expect(ReactNoop.getChildren()).toEqual([span('Count: 0')]);
-      }).toErrorDev(['An update to Counter ran an effect']);
-
+      ReactNoop.render(<Counter count={0} />, () =>
+        Scheduler.unstable_yieldValue('Sync effect'),
+      );
+      expect(Scheduler).toFlushAndYieldThrough(['Count: 0', 'Sync effect']);
+      expect(ReactNoop.getChildren()).toEqual([span('Count: 0')]);
       // A flush sync doesn't cause the passive effects to fire.
       // So we haven't added the other update yet.
       act(() => {