trunner: run tests alphabetically

JIRA CI-310

trunner/test_runner.py

@@ -123,10 +123,13 @@ def parse_tests(self) -> Sequence[TestOptions]:
         """Returns test options that can be used to build test harness."""
 
         test_yamls = self.search_for_tests()
+        test_yamls.sort()
         parser = ConfigParser(self.ctx)
 
         tests = []
         for path in test_yamls:
+            if ".git" in str(path):
+                continue
             tests.extend(parser.parse(path))
 
         return tests