public async Task VariablesShouldBeCleared([Frozen] Mock <IOctopusAsyncRepository> mockRepo, [Frozen] Mock <IVariableSetRepository> mockVar,
[Frozen] Mock <ILibraryVariableSetRepository> mockLib, LibraryVariableSetResource libResource, VariableSetResource varResource, LibraryManager sut)
{
mockLib.Setup(m => m.FindByName(It.Is <string>(s => s.Equals(libResource.Name)), It.IsAny <string>(), It.IsAny <string>()))
.Returns(Task.FromResult(libResource));
mockVar.Setup(m => m.Get(It.Is <string>(s => s.Equals(varResource.Id))))
.Returns(Task.FromResult(varResource));
mockRepo.Setup(m => m.VariableSets).Returns(mockVar.Object);
var expected = varResource.Variables.Count;
var actual = await sut.ClearLibrarySet(libResource.Name).ConfigureAwait(false);
Assert.Equal(expected, actual);
}