public void EnvironmentRepository_Save_ValidEnvironmentModel_ReturnsNotSaveMessage()
{
var source = new Mock<IEnvironmentModel>();
var repo = new TestEnvironmentRespository(source.Object);
IEnvironmentModel e1 = null;
// ReSharper disable ExpressionIsAlwaysNull
var result = repo.Save(e1);
// ReSharper restore ExpressionIsAlwaysNull
Assert.AreEqual(result, "Not Saved");
}