public void GetInstances_CreatesExpectedInstances()
{
// Arrange
Assembly[] asms = AppDomain.CurrentDomain.GetAssemblies();
// Act
ICollection <ITestType> actual = TypeUtilities.GetInstances <ITestType>(asms, t => TypeUtilities.IsType <ITestType>(t));
// Assert
Assert.Equal(1, actual.Count);
Assert.IsType <TestType>(actual.Single());
}
