phpunit: use setUpBeforeClass/tearDownAfterClass to avoid setup/teardown for each test (platforms only need to be created once). Also added a test for CiviCRM 4.7d7.
phpunit: use setUpBeforeClass/tearDownAfterClass to avoid setup/teardown for each test (platforms only need to be created once). Also added a test for CiviCRM 4.7d7.

mlutfy/hosting_civicrm,mlutfy/hosting_civicrm