diff --git a/tests/install-plugins/Dockerfile b/tests/install-plugins/Dockerfile
index 9d4f63d..80d9ae5 100644
--- a/tests/install-plugins/Dockerfile
+++ b/tests/install-plugins/Dockerfile
@@ -1,3 +1,3 @@
 FROM bats-jenkins
 
-RUN /usr/local/bin/install-plugins.sh maven-plugin:2.7.1 ant:1.3
+RUN /usr/local/bin/install-plugins.sh maven-plugin:2.7.1 ant:1.3 mesos:0.13.0
diff --git a/tests/tests.bats b/tests/tests.bats
index ead87f1..0dc3888 100644
--- a/tests/tests.bats
+++ b/tests/tests.bats
@@ -73,6 +73,10 @@
   assert_line 'maven-plugin.jpi.pinned'
   assert_line 'ant.jpi'
   assert_line 'ant.jpi.pinned'
+  assert_line 'credentials.jpi'
+  assert_line 'credentials.jpi.pinned'
+  assert_line 'mesos.jpi'
+  assert_line 'mesos.jpi.pinned'
 }
 
 @test "clean test containers" {