anchor.diff:          );
   
           _expectVersionMessage(newVersionAvailableMessage(), logger);
  -        verify(mockCache.setStampFor(VersionCheckStamp.flutterVersionCheckStampFile, any)).called(1);
  +        expect(cache.setVersionStamp, true);
         });
   
         testWithoutContext('does not print warning if printed recently', () async {
  
positive.code:       }, overrides: <Type, Generator>{
          FlutterVersion: () => FlutterVersion(clock: _testClock),
          ProcessManager: () => processManager,
          Cache: () => mockCache,
        });
  
        testWithoutContext('prints nothing when Flutter installation looks out-of-date but is actually up-to-date', () async {
  
negative.code:   }, overrides: <Type, Generator>{
      FlutterVersion: () => FlutterVersion(clock: _testClock),
      ProcessManager: () => processManager,
      Cache: () => cache,
    });
  
    testUsingContext('GitTagVersion', () {
  