Add ability to set prefix for gerrit url

Update run_tests.sh

Change-Id: Id6339eb38584dcf0d31fc94c9d404feec26d6faa
Related-prod: #PROD-27651 (PROD:27651)
diff --git a/tests/test-requirements.txt b/tests/test-requirements.txt
new file mode 100644
index 0000000..a0f561a
--- /dev/null
+++ b/tests/test-requirements.txt
@@ -0,0 +1,2 @@
+jsonschema
+reno