diff --git a/packages/google-cloud-beyondcorp-appconnectors/.eslintrc.json b/packages/google-cloud-beyondcorp-appconnectors/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-beyondcorp-appconnectors/.eslintrc.json
+++ b/packages/google-cloud-beyondcorp-appconnectors/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-beyondcorp-appconnectors/system-test/install.ts b/packages/google-cloud-beyondcorp-appconnectors/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-beyondcorp-appconnectors/system-test/install.ts
+++ b/packages/google-cloud-beyondcorp-appconnectors/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-beyondcorp-appgateways/.eslintrc.json b/packages/google-cloud-beyondcorp-appgateways/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-beyondcorp-appgateways/.eslintrc.json
+++ b/packages/google-cloud-beyondcorp-appgateways/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-beyondcorp-appgateways/system-test/install.ts b/packages/google-cloud-beyondcorp-appgateways/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-beyondcorp-appgateways/system-test/install.ts
+++ b/packages/google-cloud-beyondcorp-appgateways/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-beyondcorp-clientconnectorservices/.eslintrc.json b/packages/google-cloud-beyondcorp-clientconnectorservices/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-beyondcorp-clientconnectorservices/.eslintrc.json
+++ b/packages/google-cloud-beyondcorp-clientconnectorservices/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-beyondcorp-clientconnectorservices/system-test/install.ts b/packages/google-cloud-beyondcorp-clientconnectorservices/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-beyondcorp-clientconnectorservices/system-test/install.ts
+++ b/packages/google-cloud-beyondcorp-clientconnectorservices/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-beyondcorp-clientgateways/.eslintrc.json b/packages/google-cloud-beyondcorp-clientgateways/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-beyondcorp-clientgateways/.eslintrc.json
+++ b/packages/google-cloud-beyondcorp-clientgateways/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-beyondcorp-clientgateways/system-test/install.ts b/packages/google-cloud-beyondcorp-clientgateways/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-beyondcorp-clientgateways/system-test/install.ts
+++ b/packages/google-cloud-beyondcorp-clientgateways/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-bigquery-analyticshub/.eslintrc.json b/packages/google-cloud-bigquery-analyticshub/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-bigquery-analyticshub/.eslintrc.json
+++ b/packages/google-cloud-bigquery-analyticshub/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-bigquery-analyticshub/system-test/install.ts b/packages/google-cloud-bigquery-analyticshub/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-bigquery-analyticshub/system-test/install.ts
+++ b/packages/google-cloud-bigquery-analyticshub/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-bigquery-connection/.eslintrc.json b/packages/google-cloud-bigquery-connection/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-bigquery-connection/.eslintrc.json
+++ b/packages/google-cloud-bigquery-connection/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-bigquery-connection/system-test/install.ts b/packages/google-cloud-bigquery-connection/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-bigquery-connection/system-test/install.ts
+++ b/packages/google-cloud-bigquery-connection/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-bigquery-dataexchange/.eslintrc.json b/packages/google-cloud-bigquery-dataexchange/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-bigquery-dataexchange/.eslintrc.json
+++ b/packages/google-cloud-bigquery-dataexchange/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-bigquery-dataexchange/system-test/install.ts b/packages/google-cloud-bigquery-dataexchange/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-bigquery-dataexchange/system-test/install.ts
+++ b/packages/google-cloud-bigquery-dataexchange/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-bigquery-datapolicies/.eslintrc.json b/packages/google-cloud-bigquery-datapolicies/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-bigquery-datapolicies/.eslintrc.json
+++ b/packages/google-cloud-bigquery-datapolicies/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-bigquery-datapolicies/system-test/install.ts b/packages/google-cloud-bigquery-datapolicies/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-bigquery-datapolicies/system-test/install.ts
+++ b/packages/google-cloud-bigquery-datapolicies/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-bigquery-datatransfer/.eslintrc.json b/packages/google-cloud-bigquery-datatransfer/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-bigquery-datatransfer/.eslintrc.json
+++ b/packages/google-cloud-bigquery-datatransfer/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-bigquery-datatransfer/system-test/install.ts b/packages/google-cloud-bigquery-datatransfer/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-bigquery-datatransfer/system-test/install.ts
+++ b/packages/google-cloud-bigquery-datatransfer/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-bigquery-migration/.eslintrc.json b/packages/google-cloud-bigquery-migration/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-bigquery-migration/.eslintrc.json
+++ b/packages/google-cloud-bigquery-migration/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-bigquery-migration/system-test/install.ts b/packages/google-cloud-bigquery-migration/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-bigquery-migration/system-test/install.ts
+++ b/packages/google-cloud-bigquery-migration/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-bigquery-reservation/.eslintrc.json b/packages/google-cloud-bigquery-reservation/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-bigquery-reservation/.eslintrc.json
+++ b/packages/google-cloud-bigquery-reservation/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-bigquery-reservation/system-test/install.ts b/packages/google-cloud-bigquery-reservation/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-bigquery-reservation/system-test/install.ts
+++ b/packages/google-cloud-bigquery-reservation/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-billing-budgets/.eslintrc.json b/packages/google-cloud-billing-budgets/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-billing-budgets/.eslintrc.json
+++ b/packages/google-cloud-billing-budgets/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-billing-budgets/system-test/install.ts b/packages/google-cloud-billing-budgets/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-billing-budgets/system-test/install.ts
+++ b/packages/google-cloud-billing-budgets/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-billing/.eslintrc.json b/packages/google-cloud-billing/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-billing/.eslintrc.json
+++ b/packages/google-cloud-billing/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-billing/system-test/install.ts b/packages/google-cloud-billing/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-billing/system-test/install.ts
+++ b/packages/google-cloud-billing/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-binaryauthorization/.eslintrc.json b/packages/google-cloud-binaryauthorization/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-binaryauthorization/.eslintrc.json
+++ b/packages/google-cloud-binaryauthorization/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-binaryauthorization/system-test/install.ts b/packages/google-cloud-binaryauthorization/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-binaryauthorization/system-test/install.ts
+++ b/packages/google-cloud-binaryauthorization/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-certificatemanager/.eslintrc.json b/packages/google-cloud-certificatemanager/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-certificatemanager/.eslintrc.json
+++ b/packages/google-cloud-certificatemanager/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-certificatemanager/system-test/install.ts b/packages/google-cloud-certificatemanager/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-certificatemanager/system-test/install.ts
+++ b/packages/google-cloud-certificatemanager/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-channel/.eslintrc.json b/packages/google-cloud-channel/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-channel/.eslintrc.json
+++ b/packages/google-cloud-channel/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-channel/system-test/install.ts b/packages/google-cloud-channel/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-channel/system-test/install.ts
+++ b/packages/google-cloud-channel/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-chronicle/.eslintrc.json b/packages/google-cloud-chronicle/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-chronicle/.eslintrc.json
+++ b/packages/google-cloud-chronicle/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-chronicle/system-test/install.ts b/packages/google-cloud-chronicle/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-chronicle/system-test/install.ts
+++ b/packages/google-cloud-chronicle/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-cloudcontrolspartner/.eslintrc.json b/packages/google-cloud-cloudcontrolspartner/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-cloudcontrolspartner/.eslintrc.json
+++ b/packages/google-cloud-cloudcontrolspartner/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-cloudcontrolspartner/system-test/install.ts b/packages/google-cloud-cloudcontrolspartner/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-cloudcontrolspartner/system-test/install.ts
+++ b/packages/google-cloud-cloudcontrolspartner/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-clouddms/.eslintrc.json b/packages/google-cloud-clouddms/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-clouddms/.eslintrc.json
+++ b/packages/google-cloud-clouddms/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-clouddms/system-test/install.ts b/packages/google-cloud-clouddms/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-clouddms/system-test/install.ts
+++ b/packages/google-cloud-clouddms/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-cloudsecuritycompliance/.eslintrc.json b/packages/google-cloud-cloudsecuritycompliance/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-cloudsecuritycompliance/.eslintrc.json
+++ b/packages/google-cloud-cloudsecuritycompliance/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-cloudsecuritycompliance/system-test/install.ts b/packages/google-cloud-cloudsecuritycompliance/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-cloudsecuritycompliance/system-test/install.ts
+++ b/packages/google-cloud-cloudsecuritycompliance/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);