Fixes LP#903978 - Write testcases for test_server_actions (boundary)

Adds test cases for reboot and rebuild of non-existing server

Made a few style-related fixups
Changed the error response code from 422 to 404 and converted the indentation
to 4 space width.
Added nonexistant server action tests for reboot and rebuild
Restored the deleted new lines.

Change-Id: I61d0ff23c90811467e7f710450e23bee53cf2e22

Added nonexistant server action tests for reboot and rebuild

Change-Id: I61d0ff23c90811467e7f710450e23bee53cf2e22
1 file changed