diff --git a/kubernetes-tests/src/test/java/io/fabric8/openshift/client/server/mock/AdaptTest.java b/kubernetes-tests/src/test/java/io/fabric8/openshift/client/server/mock/AdaptTest.java
index 9402b6c0ff9..ae28302407a 100644
--- a/kubernetes-tests/src/test/java/io/fabric8/openshift/client/server/mock/AdaptTest.java
+++ b/kubernetes-tests/src/test/java/io/fabric8/openshift/client/server/mock/AdaptTest.java
@@ -89,7 +89,7 @@ public void setHeaders(Headers headers) {
           }
         }).once();
     server.expect().withPath("/apis").andReturn(HttpURLConnection.HTTP_OK, new APIGroupListBuilder()
-        .addToGroups(new APIGroupBuilder().withName("security.internal.openshift.io").build()))
+        .addToGroups(new APIGroupBuilder().withName("security.internal.openshift.io").build()).build())
         .once();
 
     client.getConfiguration().setUsername("foo");