diff --git a/.kokoro/.mocharc.yml b/.kokoro/.mocharc.yml
new file mode 100644
index 0000000000..5c2a08dc2b
--- /dev/null
+++ b/.kokoro/.mocharc.yml
@@ -0,0 +1,3 @@
+reporter: xunit
+reporter-option:
+ - output=./sponge_log.xml
diff --git a/.kokoro/appengine/common.cfg b/.kokoro/appengine/common.cfg
index 5b6a28efc5..94b10385ef 100644
--- a/.kokoro/appengine/common.cfg
+++ b/.kokoro/appengine/common.cfg
@@ -13,11 +13,4 @@ build_file: "nodejs-docs-samples/.kokoro/trampoline.sh"
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/nodejs-docs-samples/.kokoro/build.sh"
-}
-
-# Export XUnit test results for further analysis
-action {
-    define_artifacts {
-        regex: "**/all-tests.xml"
-    }
 }
\ No newline at end of file
diff --git a/.kokoro/build-with-appengine.sh b/.kokoro/build-with-appengine.sh
index 5cc73c220e..0e925eaf4b 100755
--- a/.kokoro/build-with-appengine.sh
+++ b/.kokoro/build-with-appengine.sh
@@ -18,6 +18,11 @@ set -e;
 
 export GCLOUD_PROJECT=nodejs-docs-samples-tests
 
+# Activate mocha config
+pushd github/nodejs-docs-samples
+mv .kokoro/.mocharc.yml .
+popd
+
 # Update gcloud
 gcloud components update --quiet
 
diff --git a/.kokoro/build-with-run.sh b/.kokoro/build-with-run.sh
index 5b0a01426e..d25d8b66f0 100755
--- a/.kokoro/build-with-run.sh
+++ b/.kokoro/build-with-run.sh
@@ -16,6 +16,11 @@
 
 set -eo pipefail
 
+# Activate mocha config
+pushd github/nodejs-docs-samples
+mv .kokoro/.mocharc.yml .
+popd
+
 export GOOGLE_CLOUD_PROJECT=nodejs-docs-samples-tests
 pushd github/nodejs-docs-samples/${PROJECT}
 
diff --git a/.kokoro/build.sh b/.kokoro/build.sh
index 2d38c5f838..56ee3b1fae 100755
--- a/.kokoro/build.sh
+++ b/.kokoro/build.sh
@@ -71,6 +71,11 @@ export NODEJS_IOT_RSA_PUBLIC_CERT=${KOKORO_GFILE_DIR}/rsa_cert.pem
 export BOT_ACCESS_TOKEN=${KOKORO_GFILE_DIR}/secrets-slack-bot-access-token.txt
 export CHANNEL=${KOKORO_GFILE_DIR}/secrets-slack-channel-id.txt
 
+# Activate mocha config
+pushd github/nodejs-docs-samples
+mv .kokoro/.mocharc.yml .
+popd
+
 cd github/nodejs-docs-samples/${PROJECT}
 
 # Install dependencies
diff --git a/.kokoro/common.cfg b/.kokoro/common.cfg
index 3e09e3a430..6fa7e084d8 100644
--- a/.kokoro/common.cfg
+++ b/.kokoro/common.cfg
@@ -13,4 +13,11 @@ build_file: "nodejs-docs-samples/.kokoro/trampoline.sh"
 env_vars: {
     key: "TRAMPOLINE_IMAGE"
     value: "gcr.io/cloud-devrel-kokoro-resources/node:8-user"
+}
+
+# Export XUnit test results for further analysis
+action {
+    define_artifacts {
+        regex: "**/sponge_log.xml"
+    }
 }
\ No newline at end of file
diff --git a/.kokoro/functions/common.cfg b/.kokoro/functions/common.cfg
index 73ca2ffca1..a0ffd6fe31 100644
--- a/.kokoro/functions/common.cfg
+++ b/.kokoro/functions/common.cfg
@@ -19,11 +19,4 @@ env_vars: {
 env_vars: {
     key: "BASE_URL"
     value: "http://localhost:8080"
-}
-
-# Export XUnit test results for further analysis
-action {
-  define_artifacts {
-    regex: "**/all-tests.xml"
-  }
 }
\ No newline at end of file