diff --git a/firebase-functions/src/androidTest/backend/functions/index.js b/firebase-functions/src/androidTest/backend/functions/index.js
index 631945dfa75..b55625fbd32 100644
--- a/firebase-functions/src/androidTest/backend/functions/index.js
+++ b/firebase-functions/src/androidTest/backend/functions/index.js
@@ -12,32 +12,32 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-const assert = require("assert");
-const functions = require("firebase-functions");
+const assert = require('assert');
+const functions = require('firebase-functions');
 
 exports.dataTest = functions.https.onRequest((request, response) => {
   assert.deepEqual(request.body, {
     data: {
-      "bool": true,
-      "int": 2,
-      "long": {
-        "value": "3",
-        "@type": "type.googleapis.com/google.protobuf.Int64Value",
+      bool: true,
+      int: 2,
+      long: {
+        value: '3',
+        '@type': 'type.googleapis.com/google.protobuf.Int64Value',
       },
-      "string": "four",
-      "array": [5, 6],
-      "null": null,
-    },
+      string: 'four',
+      array: [5, 6],
+      'null': null,
+    }
   });
   response.send({
     data: {
-      message: "stub response",
+      message: 'stub response',
       code: 42,
       long: {
-        "value": "420",
-        "@type": "type.googleapis.com/google.protobuf.Int64Value",
+        value: '420',
+        '@type': 'type.googleapis.com/google.protobuf.Int64Value',
       },
-    },
+    }
   });
 });
 
@@ -47,29 +47,28 @@ exports.scalarTest = functions.https.onRequest((request, response) => {
 });
 
 exports.tokenTest = functions.https.onRequest((request, response) => {
-  assert.equal(request.get("Authorization"), "Bearer token");
+  assert.equal(request.get('Authorization'), 'Bearer token');
   assert.deepEqual(request.body, {data: {}});
   response.send({data: {}});
 });
 
 exports.instanceIdTest = functions.https.onRequest((request, response) => {
-  assert.equal(request.get("Firebase-Instance-ID-Token"), "iid");
+  assert.equal(request.get('Firebase-Instance-ID-Token'), 'iid');
   assert.deepEqual(request.body, {data: {}});
   response.send({data: {}});
 });
 
 exports.appCheckTest = functions.https.onRequest((request, response) => {
-  assert.equal(request.get("X-Firebase-AppCheck"), "appCheck");
+  assert.equal(request.get('X-Firebase-AppCheck'), 'appCheck');
   assert.deepEqual(request.body, {data: {}});
   response.send({data: {}});
 });
 
-exports.appCheckLimitedUseTest = functions.https.onRequest(
-    (request, response) => {
-      assert.equal(request.get("X-Firebase-AppCheck"), "appCheck-limited-use");
-      assert.deepEqual(request.body, {data: {}});
-      response.send({data: {}});
-    });
+exports.appCheckLimitedUseTest = functions.https.onRequest((request, response) => {
+  assert.equal(request.get('X-Firebase-AppCheck'), 'appCheck-limited-use');
+  assert.deepEqual(request.body, {data: {}});
+  response.send({data: {}});
+});
 
 exports.nullTest = functions.https.onRequest((request, response) => {
   assert.deepEqual(request.body, {data: null});
@@ -83,15 +82,15 @@ exports.missingResultTest = functions.https.onRequest((request, response) => {
 
 exports.unhandledErrorTest = functions.https.onRequest((request, response) => {
   // Fail in a way that the client shouldn't see.
-  throw new Error("nope");
+  throw 'nope';
 });
 
 exports.unknownErrorTest = functions.https.onRequest((request, response) => {
   // Send an http error with a body with an explicit code.
   response.status(400).send({
     error: {
-      status: "THIS_IS_NOT_VALID",
-      message: "this should be ignored",
+      status: 'THIS_IS_NOT_VALID',
+      message: 'this should be ignored',
     },
   });
 });
@@ -100,14 +99,14 @@ exports.explicitErrorTest = functions.https.onRequest((request, response) => {
   // Send an http error with a body with an explicit code.
   response.status(400).send({
     error: {
-      status: "OUT_OF_RANGE",
-      message: "explicit nope",
+      status: 'OUT_OF_RANGE',
+      message: 'explicit nope',
       details: {
         start: 10,
         end: 20,
         long: {
-          "value": "30",
-          "@type": "type.googleapis.com/google.protobuf.Int64Value",
+          value: '30',
+          '@type': 'type.googleapis.com/google.protobuf.Int64Value',
         },
       },
     },