no log: add default env vars to bazarr config tests

tests/bazarr/conftest.py

@@ -0,0 +1,7 @@
+import os
+import logging
+
+os.environ["NO_CLI"] = "true"
+os.environ["SZ_USER_AGENT"] = "test"
+
+logging.getLogger("rebulk").setLevel(logging.WARNING)