[tests] Minor changes

Author: James Regis (jregis)

fake-credential.yml renamed to test-credentials.yaml

@@ -1,5 +1,5 @@
 #!/bin/env bash
 
-export IC_CONFIG_FILE="fake-credential.yml"
+export IC_CONFIG_FILE="test-credentials.yaml"
 
 nosetests tests --rednose --verbose