NO means NO

Author: gspencergoog

shell/platform/darwin/macos/framework/Source/FlutterEngineTest.mm

@@ -700,7 +700,7 @@ - (nonnull NSView*)createWithViewIdentifier:(int64_t)viewId arguments:(nullable
 TEST_F(FlutterEngineTest, HandlesTerminationRequest) {
   id engineMock = CreateMockFlutterEngine(nil);
   __block NSString* nextResponse = @"exit";
-  __block BOOL triedToTerminate = FALSE;
+  __block BOOL triedToTerminate = NO;
   FlutterEngineTerminationHandler* terminationHandler =
       [[FlutterEngineTerminationHandler alloc] initWithEngine:engineMock
                                                    terminator:^(id sender) {
@@ -743,7 +743,7 @@ - (nonnull NSView*)createWithViewIdentifier:(int64_t)viewId arguments:(nullable
                                         arguments:@{@"type" : @"cancelable"}];
 
   // Always terminate when the binding isn't ready (which is the default).
-  triedToTerminate = FALSE;
+  triedToTerminate = NO;
   calledAfterTerminate = @"";
   nextResponse = @"cancel";
   [engineMock handleMethodCall:methodExitApplication result:appExitResult];
@@ -752,22 +752,22 @@ - (nonnull NSView*)createWithViewIdentifier:(int64_t)viewId arguments:(nullable
 
   // Once the binding is ready, handle the request.
   terminationHandler.acceptingRequests = YES;
-  triedToTerminate = FALSE;
+  triedToTerminate = NO;
   calledAfterTerminate = @"";
   nextResponse = @"exit";
   [engineMock handleMethodCall:methodExitApplication result:appExitResult];
   EXPECT_STREQ([calledAfterTerminate UTF8String], "exit");
   EXPECT_TRUE(triedToTerminate);
 
-  triedToTerminate = FALSE;
+  triedToTerminate = NO;
   calledAfterTerminate = @"";
   nextResponse = @"cancel";
   [engineMock handleMethodCall:methodExitApplication result:appExitResult];
   EXPECT_STREQ([calledAfterTerminate UTF8String], "cancel");
   EXPECT_FALSE(triedToTerminate);
 
   // Check that it doesn't crash on error.
-  triedToTerminate = FALSE;
+  triedToTerminate = NO;
   calledAfterTerminate = @"";
   nextResponse = @"error";
   [engineMock handleMethodCall:methodExitApplication result:appExitResult];
@@ -776,7 +776,7 @@ - (nonnull NSView*)createWithViewIdentifier:(int64_t)viewId arguments:(nullable
 }
 
 TEST_F(FlutterEngineTest, HandleAccessibilityEvent) {
-  __block BOOL announced = FALSE;
+  __block BOOL announced = NO;
   id engineMock = CreateMockFlutterEngine(nil);
 
   OCMStub([engineMock announceAccessibilityMessage:[OCMArg any]