diff --git a/.gitignore b/.gitignore
index e9222c2da..41768084c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,6 +11,7 @@
 /*.egg-info/
 /env/
 MANIFEST
+coverage.*
 
 !.gitignore
 !.travis.yml
diff --git a/tests/browsable_api/test_browsable_nested_api.py b/tests/browsable_api/test_browsable_nested_api.py
index dbbd11eea..9e5538efc 100644
--- a/tests/browsable_api/test_browsable_nested_api.py
+++ b/tests/browsable_api/test_browsable_nested_api.py
@@ -14,13 +14,13 @@ class NestedSerializer(serializers.Serializer):
     two = serializers.IntegerField(max_value=10)
 
 
-class TestNestedSerializerSerializer(serializers.Serializer):
+class NestedSerializerTestSerializer(serializers.Serializer):
     nested = NestedSerializer()
 
 
 class NestedSerializersView(ListCreateAPIView):
     renderer_classes = (BrowsableAPIRenderer, )
-    serializer_class = TestNestedSerializerSerializer
+    serializer_class = NestedSerializerTestSerializer
     queryset = [{'nested': {'one': 1, 'two': 2}}]
 
 
diff --git a/tests/test_model_serializer.py b/tests/test_model_serializer.py
index 0179abc44..185130778 100644
--- a/tests/test_model_serializer.py
+++ b/tests/test_model_serializer.py
@@ -784,7 +784,7 @@ class TestBulkCreate(TestCase):
         assert serializer.data == data
 
 
-class TestMetaClassModel(models.Model):
+class MetaClassTestModel(models.Model):
     text = models.CharField(max_length=100)
 
 
@@ -792,7 +792,7 @@ class TestSerializerMetaClass(TestCase):
     def test_meta_class_fields_option(self):
         class ExampleSerializer(serializers.ModelSerializer):
             class Meta:
-                model = TestMetaClassModel
+                model = MetaClassTestModel
                 fields = 'text'
 
         with self.assertRaises(TypeError) as result:
@@ -806,7 +806,7 @@ class TestSerializerMetaClass(TestCase):
     def test_meta_class_exclude_option(self):
         class ExampleSerializer(serializers.ModelSerializer):
             class Meta:
-                model = TestMetaClassModel
+                model = MetaClassTestModel
                 exclude = 'text'
 
         with self.assertRaises(TypeError) as result:
@@ -820,7 +820,7 @@ class TestSerializerMetaClass(TestCase):
     def test_meta_class_fields_and_exclude_options(self):
         class ExampleSerializer(serializers.ModelSerializer):
             class Meta:
-                model = TestMetaClassModel
+                model = MetaClassTestModel
                 fields = ('text',)
                 exclude = ('text',)