Add a script for filtering failed tck scenarios

Reviewers: buda, mislav.bradac, matej.gradicek

Reviewed By: buda, mislav.bradac, matej.gradicek

Differential Revision: https://phabricator.memgraph.io/D361

filter_failing_scenarios

@@ -0,0 +1,28 @@
+#!/usr/bin/env python3
+'''
+Filters failing scenarios from a tck test run and prints them to stdout.
+'''
+
+from argparse import ArgumentParser
+import sys
+
+def main():
+    argp = ArgumentParser(description=__doc__)
+    argp.add_argument('test_log', metavar='TEST_LOG', type=str,
+                      help='Path to the log of a tck test run')
+    args = argp.parse_args()
+    with open(args.test_log) as f:
+        scenario_failed = False
+        scenario_lines = []
+        for line in f:
+            if line.strip().startswith('Scenario:'):
+                if scenario_failed:
+                    print(''.join(scenario_lines))
+                scenario_failed = False
+                scenario_lines.clear()
+            if line.strip().startswith('AssertionError'):
+                scenario_failed = True
+            scenario_lines.append(line)
+
+if __name__ == '__main__':
+    main()