Improve Orchestra\Mail unit test

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

Signed-off-by: crynobone <crynobone@gmail.com>
Expose view so we can unit test it

Signed-off-by: crynobone <crynobone@gmail.com>
Change private to protected

Signed-off-by: crynobone <crynobone@gmail.com>
Remove invalid test case

Signed-off-by: crynobone <crynobone@gmail.com>
Test Orchestra\Resources::of()

Signed-off-by: crynobone <crynobone@gmail.com>
Add response status assert

Signed-off-by: crynobone <crynobone@gmail.com>
up version to 1.0.0-b2

Signed-off-by: crynobone <crynobone@gmail.com>
Allow resources to be visible or hidden from Resources list

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