Merge pull request #174 from duncandewhurst/fix-local

tests/test_json.py: Handle unset GITHUB_ACTOR

tests/test_json.py

@@ -92,7 +92,7 @@ def read_metadata(allow_missing=False):
 is_profile = os.path.isfile('Makefile') and os.path.isdir('docs') and repo_name not in ('standard', 'infrastructure')
 is_extension = os.path.isfile('extension.json') or is_profile
 extensiondir = os.path.join('schema', 'profile') if is_profile else '.'
-if repo_name == 'standard' and os.getenv('GITHUB_ACTOR').lower() not in (
+if repo_name == 'standard' and os.getenv('GITHUB_ACTOR', '').lower() not in (
     'colinmaudry', 'duncandewhurst', 'jachymhercher', 'odscjen' 'jpmckinney', 'yolile'
 ):
     standard_owner = os.getenv('GITHUB_ACTOR', 'open-contracting')