[WEB-3707] pytest based test suite for apiserver (#7010)

* pytest bases tests for apiserver

* Trimmed spaces

* Updated .gitignore for pytest local files

apiserver/run_tests.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+# This is a simple wrapper script that calls the main test runner in the tests directory
+exec tests/run_tests.sh "$@"