diff --git a/packages/google-cloud-ids/.eslintrc.json b/packages/google-cloud-ids/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-ids/.eslintrc.json
+++ b/packages/google-cloud-ids/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-ids/system-test/install.ts b/packages/google-cloud-ids/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-ids/system-test/install.ts
+++ b/packages/google-cloud-ids/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-iot/.eslintrc.json b/packages/google-cloud-iot/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-iot/.eslintrc.json
+++ b/packages/google-cloud-iot/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-iot/system-test/install.ts b/packages/google-cloud-iot/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-iot/system-test/install.ts
+++ b/packages/google-cloud-iot/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-kms-inventory/.eslintrc.json b/packages/google-cloud-kms-inventory/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-kms-inventory/.eslintrc.json
+++ b/packages/google-cloud-kms-inventory/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-kms-inventory/system-test/install.ts b/packages/google-cloud-kms-inventory/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-kms-inventory/system-test/install.ts
+++ b/packages/google-cloud-kms-inventory/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-kms/.eslintrc.json b/packages/google-cloud-kms/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-kms/.eslintrc.json
+++ b/packages/google-cloud-kms/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-kms/system-test/install.ts b/packages/google-cloud-kms/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-kms/system-test/install.ts
+++ b/packages/google-cloud-kms/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-language/.eslintrc.json b/packages/google-cloud-language/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-language/.eslintrc.json
+++ b/packages/google-cloud-language/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-language/system-test/install.ts b/packages/google-cloud-language/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-language/system-test/install.ts
+++ b/packages/google-cloud-language/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-licensemanager/.eslintrc.json b/packages/google-cloud-licensemanager/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-licensemanager/.eslintrc.json
+++ b/packages/google-cloud-licensemanager/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-licensemanager/system-test/install.ts b/packages/google-cloud-licensemanager/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-licensemanager/system-test/install.ts
+++ b/packages/google-cloud-licensemanager/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-lifesciences/.eslintrc.json b/packages/google-cloud-lifesciences/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-lifesciences/.eslintrc.json
+++ b/packages/google-cloud-lifesciences/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-lifesciences/system-test/install.ts b/packages/google-cloud-lifesciences/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-lifesciences/system-test/install.ts
+++ b/packages/google-cloud-lifesciences/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-locationfinder/$1/.eslintrc.json b/packages/google-cloud-locationfinder/$1/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-locationfinder/$1/.eslintrc.json
+++ b/packages/google-cloud-locationfinder/$1/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-locationfinder/$1/system-test/install.ts b/packages/google-cloud-locationfinder/$1/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-locationfinder/$1/system-test/install.ts
+++ b/packages/google-cloud-locationfinder/$1/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-lustre/.eslintrc.json b/packages/google-cloud-lustre/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-lustre/.eslintrc.json
+++ b/packages/google-cloud-lustre/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-lustre/system-test/install.ts b/packages/google-cloud-lustre/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-lustre/system-test/install.ts
+++ b/packages/google-cloud-lustre/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-maintenance-api/.eslintrc.json b/packages/google-cloud-maintenance-api/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-maintenance-api/.eslintrc.json
+++ b/packages/google-cloud-maintenance-api/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-maintenance-api/system-test/install.ts b/packages/google-cloud-maintenance-api/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-maintenance-api/system-test/install.ts
+++ b/packages/google-cloud-maintenance-api/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-managedidentities/.eslintrc.json b/packages/google-cloud-managedidentities/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-managedidentities/.eslintrc.json
+++ b/packages/google-cloud-managedidentities/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-managedidentities/system-test/install.ts b/packages/google-cloud-managedidentities/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-managedidentities/system-test/install.ts
+++ b/packages/google-cloud-managedidentities/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-managedkafka-schemaregistry/.eslintrc.json b/packages/google-cloud-managedkafka-schemaregistry/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-managedkafka-schemaregistry/.eslintrc.json
+++ b/packages/google-cloud-managedkafka-schemaregistry/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-managedkafka-schemaregistry/system-test/install.ts b/packages/google-cloud-managedkafka-schemaregistry/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-managedkafka-schemaregistry/system-test/install.ts
+++ b/packages/google-cloud-managedkafka-schemaregistry/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-managedkafka/.eslintrc.json b/packages/google-cloud-managedkafka/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-managedkafka/.eslintrc.json
+++ b/packages/google-cloud-managedkafka/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-managedkafka/system-test/install.ts b/packages/google-cloud-managedkafka/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-managedkafka/system-test/install.ts
+++ b/packages/google-cloud-managedkafka/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-mediatranslation/.eslintrc.json b/packages/google-cloud-mediatranslation/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-mediatranslation/.eslintrc.json
+++ b/packages/google-cloud-mediatranslation/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-mediatranslation/system-test/install.ts b/packages/google-cloud-mediatranslation/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-mediatranslation/system-test/install.ts
+++ b/packages/google-cloud-mediatranslation/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-memcache/.eslintrc.json b/packages/google-cloud-memcache/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-memcache/.eslintrc.json
+++ b/packages/google-cloud-memcache/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-memcache/system-test/install.ts b/packages/google-cloud-memcache/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-memcache/system-test/install.ts
+++ b/packages/google-cloud-memcache/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-metastore/.eslintrc.json b/packages/google-cloud-metastore/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-metastore/.eslintrc.json
+++ b/packages/google-cloud-metastore/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-metastore/system-test/install.ts b/packages/google-cloud-metastore/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-metastore/system-test/install.ts
+++ b/packages/google-cloud-metastore/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-migrationcenter/.eslintrc.json b/packages/google-cloud-migrationcenter/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-migrationcenter/.eslintrc.json
+++ b/packages/google-cloud-migrationcenter/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-migrationcenter/system-test/install.ts b/packages/google-cloud-migrationcenter/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-migrationcenter/system-test/install.ts
+++ b/packages/google-cloud-migrationcenter/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-modelarmor/.eslintrc.json b/packages/google-cloud-modelarmor/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-modelarmor/.eslintrc.json
+++ b/packages/google-cloud-modelarmor/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-modelarmor/system-test/install.ts b/packages/google-cloud-modelarmor/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-modelarmor/system-test/install.ts
+++ b/packages/google-cloud-modelarmor/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-netapp/.eslintrc.json b/packages/google-cloud-netapp/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-netapp/.eslintrc.json
+++ b/packages/google-cloud-netapp/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-netapp/system-test/install.ts b/packages/google-cloud-netapp/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-netapp/system-test/install.ts
+++ b/packages/google-cloud-netapp/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-networkconnectivity/.eslintrc.json b/packages/google-cloud-networkconnectivity/.eslintrc.json
index 78215349546..3e8d97ccb39 100644
--- a/packages/google-cloud-networkconnectivity/.eslintrc.json
+++ b/packages/google-cloud-networkconnectivity/.eslintrc.json
@@ -1,3 +1,4 @@
 {
-  "extends": "./node_modules/gts"
+  "extends": "./node_modules/gts",
+  "root": true
 }
diff --git a/packages/google-cloud-networkconnectivity/system-test/install.ts b/packages/google-cloud-networkconnectivity/system-test/install.ts
index 394f3362d20..f66069aa394 100644
--- a/packages/google-cloud-networkconnectivity/system-test/install.ts
+++ b/packages/google-cloud-networkconnectivity/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);