Update README for integration test setup.

Update README for integration test setup.
diff --git a/test/integration/README.md b/test/integration/README.md
index 0361d32..82578f6 100644
--- a/test/integration/README.md
+++ b/test/integration/README.md
@@ -1,7 +1,17 @@
 Integrations Test
 --
 
-Running these integration tests needs the following resources to be set up.
+Running the integration tests requires the following environment variables to be defined.
+
+    export OW_API_KEY=<your api key>
+    export OW_API_HOST=<openwhisk host>
+    export OW_NAMESPACE=<namespace to test against>
+
+You can retrieve these settings using the `wsk` CLI:
+
+    wsk property get --all
+
+Further, you need to create the following seed artifacts.
 
 Action
 ---
@@ -22,3 +32,14 @@
 Trigger
 ---
 * Name: sample
+
+
+If you have the `wsk` CLI installed, you may create the required actions and trigger as follows:
+
+    wsk action  create hello action.js
+    wsk action  create tests action.js
+    wsk trigger create sample
+
+where `action.js` contains the `main` function shown above.
+
+*Note:* If the tests fail, the cleanup code does not currently run. You will need to remove the created artifacts manually.