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>
Merge branch 'develop'