Release 5.3.0 (#6233)

Release 5.3.0

src/_pytest/python.py

@@ -277,8 +277,7 @@ class PyobjMixin(PyobjContext):
                     break
             parts.append(name)
         parts.reverse()
-        s = ".".join(parts)
-        return s.replace(".[", "[")
+        return ".".join(parts)
 
     def reportinfo(self) -> Tuple[str, int, str]:
         # XXX caching?

src/_pytest/setupplan.py

@@ -16,7 +16,8 @@ def pytest_addoption(parser):
 def pytest_fixture_setup(fixturedef, request):
     # Will return a dummy fixture if the setuponly option is provided.
     if request.config.option.setupplan:
-        fixturedef.cached_result = (None, None, None)
+        my_cache_key = fixturedef.cache_key(request)
+        fixturedef.cached_result = (None, my_cache_key, None)
         return fixturedef.cached_result