Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/matplotlib/tests/test_testing.py

@@ -0,0 +1,24 @@
+import warnings
+import pytest
+from matplotlib.testing.decorators import check_figures_equal
+
+
+@pytest.mark.xfail(
+    strict=True, reason="testing that warnings fail tests"
+)
+def test_warn_to_fail():
+    warnings.warn("This should fail the test")
+
+
+@pytest.mark.parametrize("a", [1])
+@check_figures_equal(extensions=["png"])
+@pytest.mark.parametrize("b", [1])
+def test_parametrize_with_check_figure_equal(a, fig_ref, b, fig_test):
+    assert a == b
+
+
+def test_wrap_failure():
+    with pytest.raises(ValueError, match="^The decorated function"):
+        @check_figures_equal()
+        def should_fail(test, ref):
+            pass