diff --git a/tests/test_discovery.py b/tests/test_discovery.py
index 6912783451..02a496730a 100644
--- a/tests/test_discovery.py
+++ b/tests/test_discovery.py
@@ -495,13 +495,6 @@ def test_ResourceMethodParameters_zoo_animals_patch(self):
         self.assertEqual(parameters.enum_params, {})
 
 
-class Discovery(unittest.TestCase):
-    def test_discovery_http_is_closed(self):
-        http = HttpMock(datafile("malformed.json"), {"status": "200"})
-        service = build("plus", "v1", credentials=mock.sentinel.credentials)
-        http.close.assert_called_once()
-
-
 class DiscoveryErrors(unittest.TestCase):
     def test_tests_should_be_run_with_strict_positional_enforcement(self):
         try:
@@ -1549,6 +1542,20 @@ def test_file_based_cache(self):
 
 
 class Discovery(unittest.TestCase):
+    @mock.patch("httplib2.Http")
+    def test_discovery_http_is_closed(self, http_class):
+        discovery_http = http_class.return_value
+        discovery_http.request.return_value = (
+            httplib2.Response({"status": "200"}),
+            read_datafile("plus.json", "rb"),
+        )
+
+        build("plus", "v1", cache_discovery=False, static_discovery=False)
+
+        # build() creates a temporary http client to fetch the discovery
+        # document and must close it so the connection is not leaked.
+        discovery_http.close.assert_called_once()
+
     def test_method_error_checking(self):
         self.http = HttpMock(datafile("plus.json"), {"status": "200"})
         plus = build("plus", "v1", http=self.http, static_discovery=False)