Two tests fail when warnings are present in the test run

[koobs]

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The following two tests fail if there are any warnings in the test run:

test_shows_tests_nested_under_classes_without_files test_tests_are_colorized_by_test_result

with failure output:

>           assert "== 1 failed, 4 passed, 1 skipped in " in output
E           AssertionError: assert '== 1 failed, 4 passed, 1 skipped in ' in '============================= test session starts ==============================\nplatform freebsd13 -- Python.../en/latest/warnings.html\n========== 1 failed, 4 passed, 1 skipped, 1 warnings in 0.28 seconds ==========='

=================================== FAILURES ===================================
_________________________ OtherBehaviors.behavior_four _________________________

self = <other_behaviors.OtherBehaviors instance at 0x80467f9e0>

    def behavior_four(self):
>       assert False
E       AssertionError

other_behaviors.py:13: AssertionError
=============================== warnings summary ===============================
behaviors.py::Behaviors::behavior_one
  /usr/local/lib/python2.7/site-packages/pytest_relaxed/reporter.py:79: UserWarning: Argument(s) ('config',) which are declared in the hookspec can not be found in this hook call
    cat, letter, word = status_getter(report=report)

-- Docs: https://docs.pytest.org/en/latest/warnings.html
========== 1 failed, 4 passed, 1 skipped, 1 warnings in 0.28 seconds ===========

I tried --disable-warnings for the test run, but this may not (it seems?) apply to captured output.

Tests should account either for the possibility of X warnings in the output, or ignore warnings by removing in from the test string assertion

[koobs]

The following patch fixes the issue for me, if you decide you want to go that way (ignoring warnings, rather than accounting for them):

--- tests/test_display.py.orig  2019-06-14 18:05:29 UTC
+++ tests/test_display.py
@@ -18,7 +18,7 @@ def _expect_regular_output(testdir):
     assert "== FAILURES ==" in output
     assert "AssertionError" in output
     # Summary
-    assert "== 1 failed, 4 passed, 1 skipped in " in output
+    assert "== 1 failed, 4 passed, 1 skipped" in output


 class TestRegularFunctions:
@@ -170,7 +170,7 @@ OtherBehaviors
         assert "== FAILURES ==" in output
         assert "AssertionError" in output
         # Summary
-        assert "== 1 failed, 4 passed, 1 skipped in " in output
+        assert "== 1 failed, 4 passed, 1 skipped" in output

     def test_tests_are_colorized_by_test_result(  # noqa: F811,E501
         self, testdir, environ
@@ -225,7 +225,7 @@ OtherBehaviors
         assert "== FAILURES ==" in output
         assert "AssertionError" in output
         # Summary
-        assert "== 1 failed, 4 passed, 1 skipped in " in output
+        assert "== 1 failed, 4 passed, 1 skipped" in output

     def test_nests_many_levels_deep_no_problem(self, testdir):
         testdir.makepyfile(