[#163] Assertion Helpers for Orchestra\Testable\TestCase

Signed-off-by: crynobone <crynobone@gmail.com>
[#163] Assertion Helpers for Orchestra\Testable\TestCase

Signed-off-by: crynobone <crynobone@gmail.com>
small fixes.

Signed-off-by: crynobone <crynobone@gmail.com>