public TestService(
     IFunctionsContextResolver contextResolver,
     ITestServiceSingleInstance testSingleInstance,
     IMockResolver mockResolver)
 {
     _contextResolver    = contextResolver;
     _testSingleInstance = testSingleInstance;
     _guidOnConstructor  = Guid.NewGuid().ToString();
     _mockResolver       = mockResolver;
 }
 public MockResolver(IFunctionsContextResolver functionsContextResolver)
 {
     _functionsContextResolver = functionsContextResolver;
 }