Docs: fix spelling of "test case" in unittest documentation (pythonGH-134137)

cliff688 · miss-islington · commit f5d6ccf7c37b · 2025-05-17T11:36:48.000Z
(cherry picked from commit b41d79c) Co-authored-by: Clifford Gama <53076065+cliff688@users.noreply.github.com>
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
@@ -110,7 +110,7 @@ Here is a short script to test three string methods::
       unittest.main()
 
 
-A testcase is created by subclassing :class:`unittest.TestCase`.  The three
+A test case is created by subclassing :class:`unittest.TestCase`.  The three
 individual tests are defined with methods whose names start with the letters
 ``test``.  This naming convention informs the test runner about which methods
 represent tests.
