diff --git a/packages/google-cloud-dialogflow/.eslintrc.json b/packages/google-cloud-dialogflow/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-dialogflow/.eslintrc.json
+++ b/packages/google-cloud-dialogflow/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-dialogflow/system-test/install.ts b/packages/google-cloud-dialogflow/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-dialogflow/system-test/install.ts
+++ b/packages/google-cloud-dialogflow/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-discoveryengine/.eslintrc.json b/packages/google-cloud-discoveryengine/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-discoveryengine/.eslintrc.json
+++ b/packages/google-cloud-discoveryengine/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-discoveryengine/system-test/install.ts b/packages/google-cloud-discoveryengine/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-discoveryengine/system-test/install.ts
+++ b/packages/google-cloud-discoveryengine/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-edgecontainer/.eslintrc.json b/packages/google-cloud-edgecontainer/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-edgecontainer/.eslintrc.json
+++ b/packages/google-cloud-edgecontainer/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-edgecontainer/system-test/install.ts b/packages/google-cloud-edgecontainer/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-edgecontainer/system-test/install.ts
+++ b/packages/google-cloud-edgecontainer/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-edgenetwork/.eslintrc.json b/packages/google-cloud-edgenetwork/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-edgenetwork/.eslintrc.json
+++ b/packages/google-cloud-edgenetwork/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-edgenetwork/system-test/install.ts b/packages/google-cloud-edgenetwork/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-edgenetwork/system-test/install.ts
+++ b/packages/google-cloud-edgenetwork/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-essentialcontacts/.eslintrc.json b/packages/google-cloud-essentialcontacts/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-essentialcontacts/.eslintrc.json
+++ b/packages/google-cloud-essentialcontacts/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-essentialcontacts/system-test/install.ts b/packages/google-cloud-essentialcontacts/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-essentialcontacts/system-test/install.ts
+++ b/packages/google-cloud-essentialcontacts/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-eventarc-publishing/.eslintrc.json b/packages/google-cloud-eventarc-publishing/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-eventarc-publishing/.eslintrc.json
+++ b/packages/google-cloud-eventarc-publishing/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-eventarc-publishing/system-test/install.ts b/packages/google-cloud-eventarc-publishing/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-eventarc-publishing/system-test/install.ts
+++ b/packages/google-cloud-eventarc-publishing/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-eventarc/.eslintrc.json b/packages/google-cloud-eventarc/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-eventarc/.eslintrc.json
+++ b/packages/google-cloud-eventarc/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-eventarc/system-test/install.ts b/packages/google-cloud-eventarc/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-eventarc/system-test/install.ts
+++ b/packages/google-cloud-eventarc/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-filestore/.eslintrc.json b/packages/google-cloud-filestore/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-filestore/.eslintrc.json
+++ b/packages/google-cloud-filestore/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-filestore/system-test/install.ts b/packages/google-cloud-filestore/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-filestore/system-test/install.ts
+++ b/packages/google-cloud-filestore/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-financialservices/.eslintrc.json b/packages/google-cloud-financialservices/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-financialservices/.eslintrc.json
+++ b/packages/google-cloud-financialservices/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-financialservices/system-test/install.ts b/packages/google-cloud-financialservices/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-financialservices/system-test/install.ts
+++ b/packages/google-cloud-financialservices/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-functions/.eslintrc.json b/packages/google-cloud-functions/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-functions/.eslintrc.json
+++ b/packages/google-cloud-functions/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-functions/system-test/install.ts b/packages/google-cloud-functions/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-functions/system-test/install.ts
+++ b/packages/google-cloud-functions/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-gdchardwaremanagement/.eslintrc.json b/packages/google-cloud-gdchardwaremanagement/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-gdchardwaremanagement/.eslintrc.json
+++ b/packages/google-cloud-gdchardwaremanagement/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-gdchardwaremanagement/system-test/install.ts b/packages/google-cloud-gdchardwaremanagement/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-gdchardwaremanagement/system-test/install.ts
+++ b/packages/google-cloud-gdchardwaremanagement/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-geminidataanalytics/.eslintrc.json b/packages/google-cloud-geminidataanalytics/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-geminidataanalytics/.eslintrc.json
+++ b/packages/google-cloud-geminidataanalytics/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-geminidataanalytics/system-test/install.ts b/packages/google-cloud-geminidataanalytics/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-geminidataanalytics/system-test/install.ts
+++ b/packages/google-cloud-geminidataanalytics/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-gkebackup/.eslintrc.json b/packages/google-cloud-gkebackup/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-gkebackup/.eslintrc.json
+++ b/packages/google-cloud-gkebackup/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-gkebackup/system-test/install.ts b/packages/google-cloud-gkebackup/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-gkebackup/system-test/install.ts
+++ b/packages/google-cloud-gkebackup/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-gkeconnect-gateway/.eslintrc.json b/packages/google-cloud-gkeconnect-gateway/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-gkeconnect-gateway/.eslintrc.json
+++ b/packages/google-cloud-gkeconnect-gateway/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-gkeconnect-gateway/system-test/install.ts b/packages/google-cloud-gkeconnect-gateway/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-gkeconnect-gateway/system-test/install.ts
+++ b/packages/google-cloud-gkeconnect-gateway/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-gkehub/.eslintrc.json b/packages/google-cloud-gkehub/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-gkehub/.eslintrc.json
+++ b/packages/google-cloud-gkehub/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-gkehub/system-test/install.ts b/packages/google-cloud-gkehub/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-gkehub/system-test/install.ts
+++ b/packages/google-cloud-gkehub/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-gkemulticloud/.eslintrc.json b/packages/google-cloud-gkemulticloud/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-gkemulticloud/.eslintrc.json
+++ b/packages/google-cloud-gkemulticloud/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-gkemulticloud/system-test/install.ts b/packages/google-cloud-gkemulticloud/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-gkemulticloud/system-test/install.ts
+++ b/packages/google-cloud-gkemulticloud/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-gkerecommender/.eslintrc.json b/packages/google-cloud-gkerecommender/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-gkerecommender/.eslintrc.json
+++ b/packages/google-cloud-gkerecommender/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-gkerecommender/system-test/install.ts b/packages/google-cloud-gkerecommender/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-gkerecommender/system-test/install.ts
+++ b/packages/google-cloud-gkerecommender/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-gsuiteaddons/.eslintrc.json b/packages/google-cloud-gsuiteaddons/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-gsuiteaddons/.eslintrc.json
+++ b/packages/google-cloud-gsuiteaddons/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-gsuiteaddons/system-test/install.ts b/packages/google-cloud-gsuiteaddons/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-gsuiteaddons/system-test/install.ts
+++ b/packages/google-cloud-gsuiteaddons/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-hypercomputecluster/.eslintrc.json b/packages/google-cloud-hypercomputecluster/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-hypercomputecluster/.eslintrc.json
+++ b/packages/google-cloud-hypercomputecluster/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-hypercomputecluster/system-test/install.ts b/packages/google-cloud-hypercomputecluster/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-hypercomputecluster/system-test/install.ts
+++ b/packages/google-cloud-hypercomputecluster/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);
diff --git a/packages/google-cloud-iap/.eslintrc.json b/packages/google-cloud-iap/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-iap/.eslintrc.json
+++ b/packages/google-cloud-iap/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-iap/system-test/install.ts b/packages/google-cloud-iap/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-iap/system-test/install.ts
+++ b/packages/google-cloud-iap/system-test/install.ts
@@ -40,7 +40,7 @@ describe('📦 pack-n-play test', () => {
       packageDir: process.cwd(),
       sample: {
         description: 'JavaScript user can use the library',
-        ts: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
+        cjs: readFileSync('./system-test/fixtures/sample/src/index.js').toString()
       }
     };
     await packNTest(options);