Ensure cert-related global vars are set before skipping

Author: brianhlin

osgtest/tests/special_certs.py

@@ -14,12 +14,13 @@ def test_01_install_ca(self):
         core.state['certs.ca_created'] = True
 
     def test_02_install_host_cert(self):
-        self.skip_ok_unless(os.path.exists(core.config['certs.test-ca']), "OSG Test CA doesn't exist")
         core.state['certs.hostcert_created'] = False
         grid_dir = '/etc/grid-security/'
         core.config['certs.hostcert'] = os.path.join(grid_dir, 'hostcert.pem')
         core.config['certs.hostkey'] = os.path.join(grid_dir, 'hostkey.pem')
 
+        self.skip_ok_unless(os.path.exists(core.config['certs.test-ca']), "OSG Test CA doesn't exist")
+
         if core.options.hostcert and not os.path.exists(core.config['certs.hostcert']):
             test_ca = CA.load(core.config['certs.test-ca'])
             test_ca.hostcert()