diff --git a/.kokoro/appengine/node10/storage-flexible.cfg b/.kokoro/appengine/node10/storage-flexible.cfg
index b6a335aeed..ece16ac57e 100644
--- a/.kokoro/appengine/node10/storage-flexible.cfg
+++ b/.kokoro/appengine/node10/storage-flexible.cfg
@@ -10,4 +10,9 @@ env_vars: {
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/nodejs-docs-samples/.kokoro/build.sh"
-}
+}
+
+env_vars: {
+  key: "GCLOUD_STORAGE_BUCKET"
+  value: "nodejs-docs-samples-test-appengine-storage-std"
+}
\ No newline at end of file
diff --git a/.kokoro/appengine/node10/storage-standard.cfg b/.kokoro/appengine/node10/storage-standard.cfg
index 1ba55e21b7..59280897ab 100644
--- a/.kokoro/appengine/node10/storage-standard.cfg
+++ b/.kokoro/appengine/node10/storage-standard.cfg
@@ -10,4 +10,9 @@ env_vars: {
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/nodejs-docs-samples/.kokoro/build.sh"
-}
+}
+
+env_vars: {
+  key: "GCLOUD_STORAGE_BUCKET"
+  value: "nodejs-docs-samples-test-appengine-storage-std"
+}
\ No newline at end of file
diff --git a/.kokoro/appengine/node8/storage-flexible.cfg b/.kokoro/appengine/node8/storage-flexible.cfg
index b6a335aeed..ece16ac57e 100644
--- a/.kokoro/appengine/node8/storage-flexible.cfg
+++ b/.kokoro/appengine/node8/storage-flexible.cfg
@@ -10,4 +10,9 @@ env_vars: {
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/nodejs-docs-samples/.kokoro/build.sh"
-}
+}
+
+env_vars: {
+  key: "GCLOUD_STORAGE_BUCKET"
+  value: "nodejs-docs-samples-test-appengine-storage-std"
+}
\ No newline at end of file
diff --git a/.kokoro/appengine/node8/storage-standard.cfg b/.kokoro/appengine/node8/storage-standard.cfg
index 1ba55e21b7..59280897ab 100644
--- a/.kokoro/appengine/node8/storage-standard.cfg
+++ b/.kokoro/appengine/node8/storage-standard.cfg
@@ -10,4 +10,9 @@ env_vars: {
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/nodejs-docs-samples/.kokoro/build.sh"
-}
+}
+
+env_vars: {
+  key: "GCLOUD_STORAGE_BUCKET"
+  value: "nodejs-docs-samples-test-appengine-storage-std"
+}
\ No newline at end of file