Enable the entire D category in Ruff

tests/test_util/test_util_inspect.py

@@ -943,9 +943,8 @@ def test_getdoc_inherited_classmethod():
     class Foo:
         @classmethod
         def meth(cls):
-            """
-            Docstring
-                indented text
+            """Docstring
+            indented text
             """
 
     class Bar(Foo):
@@ -961,9 +960,8 @@ def test_getdoc_inherited_classmethod():
 def test_getdoc_inherited_decorated_method():
     class Foo:
         def meth(self):
-            """
-            Docstring
-                indented text
+            """Docstring
+            indented text
             """
 
     class Bar(Foo):

tests/test_util/test_util_nodes.py

@@ -161,8 +161,7 @@ def test_extract_messages(rst, node_cls, count):
 
 
 def test_extract_messages_without_rawsource():
-    """
-    Check node.rawsource is fall-backed by using node.astext() value.
+    """Check node.rawsource is fall-backed by using node.astext() value.
 
     `extract_message` which is used from Sphinx i18n feature drop ``not node.rawsource``
     nodes. So, all nodes which want to translate must have ``rawsource`` value.