Revert "Delete .venv directory"

This reverts commit 5a2693bd9f.

.venv/lib/python3.9/site-packages/matplotlib/tests/test_testing.py

@@ -0,0 +1,41 @@
+import warnings
+
+import pytest
+
+import matplotlib.pyplot as plt
+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
+
+
+@pytest.mark.xfail(raises=RuntimeError, strict=True,
+                   reason='Test for check_figures_equal test creating '
+                          'new figures')
+@check_figures_equal()
+def test_check_figures_equal_extra_fig(fig_test, fig_ref):
+    plt.figure()
+
+
+@check_figures_equal()
+def test_check_figures_equal_closed_fig(fig_test, fig_ref):
+    fig = plt.figure()
+    plt.close(fig)