Fix pytest missing markers definitions

Author: youtux

tests/feature/test_report.py

@@ -25,7 +25,10 @@ def test_step_trace(testdir):
     """Test step trace."""
     testdir.makefile(".ini", pytest=textwrap.dedent("""
     [pytest]
-    markers = scenario-passing-tag
+    markers =
+        feature-tag
+        scenario-passing-tag
+        scenario-failing-tag
     """))
     feature = testdir.makefile('.feature', test=textwrap.dedent("""
     @feature-tag