Fix custom name for yield_fixtures

testing/python/fixture.py

@@ -2693,15 +2693,14 @@ class TestContextManagerFixtureFuncs:
             *test_yields*:2*
         """)
 
-# TODO: yield_fixture should work as well (this is bugged right now)
-def test_custom_name(testdir):
-    testdir.makepyfile("""
-        import pytest
-        @pytest.fixture(name='meow')
-        def arg1():
-            return 'mew'
-        def test_1(meow):
-            print(meow)
-    """)
-    result = testdir.runpytest("-s")
-    result.stdout.fnmatch_lines("*mew*")
+    def test_custom_name(self, testdir, flavor):
+        testdir.makepyfile("""
+            import pytest
+            @pytest.{flavor}(name='meow')
+            def arg1():
+                return 'mew'
+            def test_1(meow):
+                print(meow)
+        """.format(flavor=flavor))
+        result = testdir.runpytest("-s")
+        result.stdout.fnmatch_lines("*mew*")