diff --git a/tests/metadata.TestCase b/tests/metadata.TestCase
index fd15c5e7..343d2b1c 100755
--- a/tests/metadata.TestCase
+++ b/tests/metadata.TestCase
@@ -720,7 +720,7 @@ class MetadataTest(unittest.TestCase):
         build.versionCode = '0'  # taken from fdroidserver/import.py
         build.disable = 'Generated by import.py ...'
         build.commit = 'Unknown'
-        build.gradle = [True]
+        build.gradle = ['yes']
         app['Builds'] = [build]
 
         fdroidserver.metadata.write_yaml(mf, app)
@@ -745,7 +745,7 @@ class MetadataTest(unittest.TestCase):
                     disable: Generated by import.py ...
                     commit: Unknown
                     gradle:
-                      - true
+                      - yes
 
                 AutoUpdateMode: None
                 UpdateCheckMode: Tags
@@ -1886,10 +1886,6 @@ class MetadataTest(unittest.TestCase):
         app = metadata.App({'Builds': [metadata.Build({'rm': []})]})
         self.assertEqual(dict(), metadata._app_to_yaml(app)['Builds'][0])
 
-    def test_app_to_yaml_build_list_string(self):
-        app = metadata.App({'Builds': [metadata.Build({'rm': 'one'})]})
-        self.assertEqual({'rm': 'one'}, metadata._app_to_yaml(app)['Builds'][0])
-
     def test_app_to_yaml_build_list_one(self):
         app = metadata.App({'Builds': [metadata.Build({'rm': ['one']})]})
         self.assertEqual({'rm': ['one']}, metadata._app_to_yaml(app)['Builds'][0])