Replace references to draft 3 in a few more doc examples.

Author: Julian

jsonschema/protocols.py

@@ -120,7 +120,7 @@ def is_valid(self, instance: dict) -> bool:
         :rtype: bool
 
         >>> schema = {"maxItems" : 2}
-        >>> Draft3Validator(schema).is_valid([2, 3, 4])
+        >>> Draft202012Validator(schema).is_valid([2, 3, 4])
         False
         """
 
@@ -136,7 +136,7 @@ def iter_errors(self, instance: dict) -> Iterator[ValidationError]:
         ...     "items" : {"enum" : [1, 2, 3]},
         ...     "maxItems" : 2,
         ... }
-        >>> v = Draft3Validator(schema)
+        >>> v = Draft202012Validator(schema)
         >>> for error in sorted(v.iter_errors([2, 3, 4]), key=str):
         ...     print(error.message)
         4 is not one of [1, 2, 3]
@@ -151,7 +151,7 @@ def validate(self, instance: dict) -> None:
             instance is invalid
 
         >>> schema = {"maxItems" : 2}
-        >>> Draft3Validator(schema).validate([2, 3, 4])
+        >>> Draft202012Validator(schema).validate([2, 3, 4])
         Traceback (most recent call last):
             ...
         ValidationError: [2, 3, 4] is too long

jsonschema/tests/test_validators.py

@@ -269,18 +269,6 @@ def test_multiple_type_failure(self):
         message = self.message_for(instance=1, schema={"type": list(types)})
         self.assertEqual(message, "1 is not of type 'string', 'object'")
 
-    def test_object_without_title_type_failure(self):
-        type = {"type": [{"minimum": 3}]}
-        message = self.message_for(
-            instance=1,
-            schema={"type": [type]},
-            cls=validators.Draft3Validator,
-        )
-        self.assertEqual(
-            message,
-            "1 is not of type {'type': [{'minimum': 3}]}",
-        )
-
     def test_object_with_named_type_failure(self):
         schema = {"type": [{"name": "Foo", "minimum": 3}]}
         message = self.message_for(
@@ -308,6 +296,18 @@ def test_dependencies_single_element(self):
         )
         self.assertEqual(message, "'foo' is a dependency of 'bar'")
 
+    def test_object_without_title_type_failure_draft3(self):
+        type = {"type": [{"minimum": 3}]}
+        message = self.message_for(
+            instance=1,
+            schema={"type": [type]},
+            cls=validators.Draft3Validator,
+        )
+        self.assertEqual(
+            message,
+            "1 is not of type {'type': [{'minimum': 3}]}",
+        )
+
     def test_dependencies_list_draft3(self):
         depend, on = "bar", "foo"
         schema = {"dependencies": {depend: [on]}}