fix(gcp): handle error when Project ID is None (#2130)

prowler/providers/gcp/gcp_provider.py

@@ -16,6 +16,9 @@ class GCP_Provider:
     ):
         logger.info("Instantiating GCP Provider ...")
         self.credentials, self.project_id = self.__set_credentials__(credentials_file)
+        if not self.project_id:
+            logger.critical("No Project ID associated to Google Credentials.")
+            sys.exit(1)
 
     def __set_credentials__(self, credentials_file):
         try:

tests/providers/common/audit_info_test.py

@@ -77,7 +77,7 @@ def mock_set_azure_credentials(*_):
 
 
 def mock_set_gcp_credentials(*_):
-    return (None, None)
+    return (None, "project")
 
 
 class Test_Set_Audit_Info: