diff --git a/graphene/types/tests/test_type_name_prefix.py b/graphene/types/tests/test_type_name_prefix.py
index add188ae..49cb9b0a 100644
--- a/graphene/types/tests/test_type_name_prefix.py
+++ b/graphene/types/tests/test_type_name_prefix.py
@@ -1,6 +1,5 @@
 from textwrap import dedent
 
-
 from ..field import Field
 from ..enum import Enum
 from ..inputobjecttype import InputObjectType
@@ -12,153 +11,6 @@ from ..schema import Schema
 from ..union import Union
 
 
-def test_schema_type_name_prefix_override():
-    class MyInputObjectType(InputObjectType):
-        class Meta:
-            type_name_prefix = "OverridePrefix"
-
-        field = String()
-
-    class MyScalar(Scalar):
-        class Meta:
-            type_name_prefix = ""
-
-    class MyEnum(Enum):
-        class Meta:
-            type_name_prefix = ""
-
-        FOO = "foo"
-        BAR = "bar"
-
-    class MyInterface(Interface):
-        class Meta:
-            type_name_prefix = ""
-
-        field = String()
-
-    class MyBarType(ObjectType):
-        class Meta:
-            type_name_prefix = ""
-
-        field = String(input=MyInputObjectType())
-        my_interface = Field(MyInterface)
-        my_scalar = MyScalar()
-        my_enum = MyEnum()
-
-    class MyFooType(ObjectType):
-        class Meta:
-            type_name_prefix = ""
-
-        field = String()
-
-    class MyUnion(Union):
-        class Meta:
-            type_name_prefix = ""
-            types = (MyBarType, MyFooType)
-
-    class MyType(ObjectType):
-        class Meta:
-            type_name_prefix = ""
-
-        field = String()
-        my_union = MyUnion()
-        my_bar_type = Field(MyBarType)
-
-    class Query(ObjectType):
-        class Meta:
-            type_name_prefix = "OverridePrefix"
-
-        inner = Field(MyType)
-
-    class CreateUser(Mutation_):
-        class Meta:
-            type_name_prefix = ""
-
-        class Arguments:
-            name = String()
-
-        name = String()
-
-        def mutate(self, info, name):
-            return CreateUser(name=name)
-
-    class Mutation(ObjectType):
-        class Meta:
-            type_name_prefix = ""
-
-        create_user = CreateUser.Field()
-
-    class Subscription(ObjectType):
-        class Meta:
-            type_name_prefix = ""
-
-        count_to_ten = Field(Int)
-
-    schema = Schema(
-        Query,
-        Mutation,
-        Subscription,
-        auto_camelcase=True,
-        type_name_prefix="MyPrefix",
-    )
-    assert (
-        str(schema).strip()
-        == dedent(
-            """
-        type Query {
-          overridePrefixInner: MyType
-        }
-
-        type MyType {
-          field: String
-          myUnion: MyUnion
-          myBarType: MyBarType
-        }
-
-        union MyUnion = MyBarType | MyFooType
-
-        type MyBarType {
-          field(input: OverridePrefixMyInputObjectType): String
-          myInterface: MyInterface
-          myScalar: MyScalar
-          myEnum: MyEnum
-        }
-
-        input OverridePrefixMyInputObjectType {
-          field: String
-        }
-
-        interface MyInterface {
-          field: String
-        }
-
-        scalar MyScalar
-
-        enum MyEnum {
-          FOO
-          BAR
-        }
-
-        type MyFooType {
-          field: String
-        }
-
-        type Mutation {
-          createUser(name: String): CreateUser
-        }
-
-        type CreateUser {
-          name: String
-        }
-
-        type Subscription {
-          countToTen: Int
-        }
-        """
-        ).strip()
-    )
-
-
 class MyInputObjectType(InputObjectType):
     field = String()
 
@@ -351,3 +203,150 @@ def test_schema_type_name_prefix_camelcase_disabled():
         """
         ).strip()
     )
+
+
+def test_schema_type_name_prefix_override():
+    class MyInputObjectType(InputObjectType):
+        class Meta:
+            type_name_prefix = "OverridePrefix"
+
+        field = String()
+
+    class MyScalar(Scalar):
+        class Meta:
+            type_name_prefix = ""
+
+    class MyEnum(Enum):
+        class Meta:
+            type_name_prefix = ""
+
+        FOO = "foo"
+        BAR = "bar"
+
+    class MyInterface(Interface):
+        class Meta:
+            type_name_prefix = ""
+
+        field = String()
+
+    class MyBarType(ObjectType):
+        class Meta:
+            type_name_prefix = ""
+
+        field = String(input=MyInputObjectType())
+        my_interface = Field(MyInterface)
+        my_scalar = MyScalar()
+        my_enum = MyEnum()
+
+    class MyFooType(ObjectType):
+        class Meta:
+            type_name_prefix = ""
+
+        field = String()
+
+    class MyUnion(Union):
+        class Meta:
+            type_name_prefix = ""
+            types = (MyBarType, MyFooType)
+
+    class MyType(ObjectType):
+        class Meta:
+            type_name_prefix = ""
+
+        field = String()
+        my_union = MyUnion()
+        my_bar_type = Field(MyBarType)
+
+    class Query(ObjectType):
+        class Meta:
+            type_name_prefix = "OverridePrefix"
+
+        inner = Field(MyType)
+
+    class CreateUser(Mutation_):
+        class Meta:
+            type_name_prefix = ""
+
+        class Arguments:
+            name = String()
+
+        name = String()
+
+        def mutate(self, info, name):
+            return CreateUser(name=name)
+
+    class Mutation(ObjectType):
+        class Meta:
+            type_name_prefix = ""
+
+        create_user = CreateUser.Field()
+
+    class Subscription(ObjectType):
+        class Meta:
+            type_name_prefix = ""
+
+        count_to_ten = Field(Int)
+
+    schema = Schema(
+        Query,
+        Mutation,
+        Subscription,
+        auto_camelcase=True,
+        type_name_prefix="MyPrefix",
+    )
+    assert (
+        str(schema).strip()
+        == dedent(
+            """
+        type Query {
+          overridePrefixInner: MyType
+        }
+
+        type MyType {
+          field: String
+          myUnion: MyUnion
+          myBarType: MyBarType
+        }
+
+        union MyUnion = MyBarType | MyFooType
+
+        type MyBarType {
+          field(input: OverridePrefixMyInputObjectType): String
+          myInterface: MyInterface
+          myScalar: MyScalar
+          myEnum: MyEnum
+        }
+
+        input OverridePrefixMyInputObjectType {
+          field: String
+        }
+
+        interface MyInterface {
+          field: String
+        }
+
+        scalar MyScalar
+
+        enum MyEnum {
+          FOO
+          BAR
+        }
+
+        type MyFooType {
+          field: String
+        }
+
+        type Mutation {
+          createUser(name: String): CreateUser
+        }
+
+        type CreateUser {
+          name: String
+        }
+
+        type Subscription {
+          countToTen: Int
+        }
+        """
+        ).strip()
+    )