[flags] disableLegacyMode in native-fb (facebook#35120)

this is failing test too because we need the legacy mode in the react
package until we fix the tests

Author: rickhanlonii

packages/react-native-renderer/src/__tests__/ReactFabricAndNative-test.internal.js

@@ -40,7 +40,6 @@ describe('created with ReactFabric called with ReactNative', () => {
       require('react-native/Libraries/ReactPrivate/ReactNativePrivateInterface').getNativeTagFromPublicInstance;
   });
 
-  // @gate !disableLegacyMode
   it('find Fabric instances with the RN renderer', () => {
     const View = createReactNativeComponentClass('RCTView', () => ({
       validAttributes: {title: true},
@@ -61,7 +60,6 @@ describe('created with ReactFabric called with ReactNative', () => {
     expect(getNativeTagFromPublicInstance(instance)).toBe(2);
   });
 
-  // @gate !disableLegacyMode
   it('find Fabric nodes with the RN renderer', () => {
     const View = createReactNativeComponentClass('RCTView', () => ({
       validAttributes: {title: true},
@@ -82,7 +80,6 @@ describe('created with ReactFabric called with ReactNative', () => {
     expect(handle).toBe(2);
   });
 
-  // @gate !disableLegacyMode
   it('dispatches commands on Fabric nodes with the RN renderer', () => {
     nativeFabricUIManager.dispatchCommand.mockClear();
     const View = createReactNativeComponentClass('RCTView', () => ({
@@ -104,7 +101,6 @@ describe('created with ReactFabric called with ReactNative', () => {
     expect(UIManager.dispatchViewManagerCommand).not.toBeCalled();
   });
 
-  // @gate !disableLegacyMode
   it('dispatches sendAccessibilityEvent on Fabric nodes with the RN renderer', () => {
     nativeFabricUIManager.sendAccessibilityEvent.mockClear();
     const View = createReactNativeComponentClass('RCTView', () => ({
@@ -147,7 +143,6 @@ describe('created with ReactNative called with ReactFabric', () => {
         .ReactNativeViewConfigRegistry.register;
   });
 
-  // @gate !disableLegacyMode
   it('find Paper instances with the Fabric renderer', () => {
     const View = createReactNativeComponentClass('RCTView', () => ({
       validAttributes: {title: true},
@@ -168,7 +163,6 @@ describe('created with ReactNative called with ReactFabric', () => {
     expect(instance._nativeTag).toBe(3);
   });
 
-  // @gate !disableLegacyMode
   it('find Paper nodes with the Fabric renderer', () => {
     const View = createReactNativeComponentClass('RCTView', () => ({
       validAttributes: {title: true},
@@ -189,7 +183,6 @@ describe('created with ReactNative called with ReactFabric', () => {
     expect(handle).toBe(3);
   });
 
-  // @gate !disableLegacyMode
   it('dispatches commands on Paper nodes with the Fabric renderer', () => {
     UIManager.dispatchViewManagerCommand.mockReset();
     const View = createReactNativeComponentClass('RCTView', () => ({
@@ -212,7 +205,6 @@ describe('created with ReactNative called with ReactFabric', () => {
     expect(nativeFabricUIManager.dispatchCommand).not.toBeCalled();
   });
 
-  // @gate !disableLegacyMode
   it('dispatches sendAccessibilityEvent on Paper nodes with the Fabric renderer', () => {
     ReactNativePrivateInterface.legacySendAccessibilityEvent.mockReset();
     const View = createReactNativeComponentClass('RCTView', () => ({

packages/shared/forks/ReactFeatureFlags.native-fb.js

@@ -36,7 +36,7 @@ export const disableCommentsAsDOMContainers: boolean = true;
 export const disableInputAttributeSyncing: boolean = false;
 export const disableLegacyContext: boolean = false;
 export const disableLegacyContextForFunctionComponents: boolean = false;
-export const disableLegacyMode: boolean = true;
+export const disableLegacyMode: boolean = false;
 export const disableSchedulerTimeoutInWorkLoop: boolean = false;
 export const disableTextareaChildren: boolean = false;
 export const enableAsyncDebugInfo: boolean = false;

packages/shared/forks/ReactFeatureFlags.native-oss.js

@@ -21,7 +21,7 @@ export const disableCommentsAsDOMContainers: boolean = true;
 export const disableInputAttributeSyncing: boolean = false;
 export const disableLegacyContext: boolean = true;
 export const disableLegacyContextForFunctionComponents: boolean = true;
-export const disableLegacyMode: boolean = true;
+export const disableLegacyMode: boolean = false;
 export const disableSchedulerTimeoutInWorkLoop: boolean = false;
 export const disableTextareaChildren: boolean = false;
 export const enableAsyncDebugInfo: boolean = false;