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Backport PR#30497: TST: Use a temporary directory for test_save_figure_return

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Lines changed: 5 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -219,14 +219,15 @@ def test_figureoptions():`
`219`	`219`
`220`	`220`
`221`	`221`	`@pytest.mark.backend('QtAgg',skip_on_importerror=True)`
`222`		`-deftest_save_figure_return():`
	`222`	`+deftest_save_figure_return(tmp_path):`
`223`	`223`	`fig,ax=plt.subplots()`
`224`	`224`	`ax.imshow([[1]])`
	`225`	`+expected=tmp_path/"foobar.png"`
`225`	`226`	`prop="matplotlib.backends.qt_compat.QtWidgets.QFileDialog.getSaveFileName"`
`226`		`-withmock.patch(prop,return_value=("foobar.png",None)):`
	`227`	`+withmock.patch(prop,return_value=(str(expected),None)):`
`227`	`228`	`fname=fig.canvas.manager.toolbar.save_figure()`
`228`		`-os.remove("foobar.png")`
`229`		`-assertfname=="foobar.png"`
	`229`	`+assertfname==str(expected)`
	`230`	`+assertexpected.exists()`
`230`	`231`	`withmock.patch(prop,return_value=(None,None)):`
`231`	`232`	`fname=fig.canvas.manager.toolbar.save_figure()`
`232`	`233`	`assertfnameisNone`

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