public void GetSettings_ReturnsDefaultInstance_IfEmptyDictionaryRegistered()
{
// Arrange
SettingsDictionary instance = new SettingsDictionary();
instance.Clear();
_resolverMock.Setup(r => r.GetService(typeof(SettingsDictionary)))
.Returns(instance)
.Verifiable();
// Act
SettingsDictionary actual = _resolverMock.Object.GetSettings();
// Assert
Assert.NotSame(instance, actual);
_resolverMock.Verify();
}