diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index 43e740b0bc..38b3a46653 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -15,10 +15,12 @@
 # limitations under the License.
       
 export GCLOUD_PROJECT=nodejs-docs-samples-tests
+export GCF_REGION=us-central1
 export NODE_ENV=development
 
-export FUNCTIONS_TOPIC=my-topic
-export FUNCTIONS_BUCKET=my-bucket
+export FUNCTIONS_TOPIC=integration-tests-instance
+export FUNCTIONS_BUCKET=$GCLOUD_PROJECT
+export BASE_URL="http://localhost:8010/${GCLOUD_PROJECT}/${GCF_REGION}"
 
 cd github/nodejs-docs-samples/${PROJECT}
 
@@ -32,6 +34,10 @@ gcloud config set project $GCLOUD_PROJECT
 
 # Start functions emulator, if appropriate
 if [[ $PROJECT == functions/* ]]; then
+  export FUNCTIONS_LOG_PATH=$(pwd)/logs/cloud-functions-emulator.log
+  npm install -g @google-cloud/functions-emulator
+  touch "$FUNCTIONS_LOG_PATH"
+  functions config set logFile "$FUNCTIONS_LOG_PATH"
   functions-emulator start
 fi
 
diff --git a/.kokoro/functions/common.cfg b/.kokoro/functions/common.cfg
index 881f2f9de4..8ca89d179a 100644
--- a/.kokoro/functions/common.cfg
+++ b/.kokoro/functions/common.cfg
@@ -3,6 +3,9 @@
 # Download trampoline resources. These will be in ${KOKORO_GFILE_DIR}
 gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/trampoline"
 
+# Download secrets from Cloud Storage.
+gfile_resources: "/bigstore/cloud-devrel-kokoro-resources/nodejs-docs-samples"
+
 # All builds use the trampoline script to run in docker.
 build_file: "nodejs-docs-samples/.kokoro/trampoline.sh"
 
diff --git a/functions/helloworld/test/sample.integration.pubsub.test.js b/functions/helloworld/test/sample.integration.pubsub.test.js
index 10442445ab..94971df74b 100644
--- a/functions/helloworld/test/sample.integration.pubsub.test.js
+++ b/functions/helloworld/test/sample.integration.pubsub.test.js
@@ -18,7 +18,7 @@ const childProcess = require(`child_process`);
 const test = require(`ava`);
 const uuid = require(`uuid`);
 
-test(`helloPubSub: should print a name`, async (t) => {
+test.serial(`helloPubSub: should print a name`, async (t) => {
   t.plan(1);
   const startTime = new Date(Date.now()).toISOString();
   const name = uuid.v4();
@@ -33,7 +33,7 @@ test(`helloPubSub: should print a name`, async (t) => {
   t.true(logs.includes(`Hello, ${name}!`));
 });
 
-test(`helloPubSub: should print hello world`, async (t) => {
+test.serial(`helloPubSub: should print hello world`, async (t) => {
   t.plan(1);
   const startTime = new Date(Date.now()).toISOString();