diff --git a/tasks/hello-world.yml b/tasks/hello-world.yml
index efe9f18..f9b0d84 100644
--- a/tasks/hello-world.yml
+++ b/tasks/hello-world.yml
@@ -1,8 +1,8 @@
 platform: linux
 
 image_resource:
-  type: registry-image
-  source: { repository: busybox }
+  type: mock
+  source: { mirror_self: true }
 
 run:
   path: echo
diff --git a/tasks/print-date.yml b/tasks/print-date.yml
new file mode 100644
index 0000000..8ca7db3
--- /dev/null
+++ b/tasks/print-date.yml
@@ -0,0 +1,9 @@
+platform: linux
+
+image_resource:
+  type: mock
+  source: { mirror_self: true }
+
+run:
+  path: date
+  args: ["+%Y-%m-%d"]