Refactor to verify if exists the script for cloudooo paster, or it will...

Refactor to verify if exists the script for cloudooo paster, or it will continue expecting it's server start

slapos/recipe/cloudoootestnode/testnode.py

@@ -202,10 +202,12 @@ branch = %(branch)s
                                         config['partition_reference'])
           run_test_suite_path = os.path.join(partition_path, 'bin',
                                             'runCloudoooUnitTest')
-          if not os.path.exists(run_test_suite_path):
-            raise ValueError('No %r provided' % run_test_suite_path)
           cloudooo_paster = os.path.join(partition_path, 'bin',
                                             'cloudooo_paster')
+          if not os.path.exists(run_test_suite_path) or not \
+            os.path.exists(cloudooo_paster):
+            raise ValueError('No %r or %r provided' % (run_test_suite_path,
+                cloudooo_paster))
           cloudooo_conf = os.path.join(partition_path, 'etc',
                                             'conversion_server.cfg')
           env_ld_library_path = re.findall("env-LD_LIBRARY_PATH\ \=\ .*",