Test::Schema exceptions should be Minitest::Assertions

Author: bf4

lib/active_model_serializers/test/schema.rb

@@ -14,8 +14,8 @@ def assert_response_schema(schema_path = nil, message = nil)
         assert(matcher.call, matcher.message)
       end
 
-      MissingSchema = Class.new(Errno::ENOENT)
-      InvalidSchemaError = Class.new(StandardError)
+      MissingSchema = Class.new(Minitest::Assertion)
+      InvalidSchemaError = Class.new(Minitest::Assertion)
 
       class AssertResponseSchema
         attr_reader :schema_path, :response, :message

test/active_model_serializers/test/schema_test.rb

@@ -102,14 +102,14 @@ def test_that_assert_with_a_custom_schema_directory
       end
 
       def test_with_a_non_existent_file
-        message = %r{.* - No Schema file at test/support/schemas/non-existent.json}
+        expected_message = 'No Schema file at test/support/schemas/non-existent.json'
 
         get :show
 
         error = assert_raises ActiveModelSerializers::Test::Schema::MissingSchema do
           assert_response_schema('non-existent.json')
         end
-        assert_match(message, error.message)
+        assert_equal(expected_message, error.message)
       end
 
       def test_that_raises_with_a_invalid_json_body