diff --git a/packages/installations/karma.conf.js b/packages/installations/karma.conf.js
index 1699a0681ec..71ad8b9362f 100644
--- a/packages/installations/karma.conf.js
+++ b/packages/installations/karma.conf.js
@@ -24,6 +24,7 @@ module.exports = function (config) {
     ...karmaBase,
     // files to load into karma
     files,
+    exclude: ['src/**/*-server-app.test.ts'],
     // frameworks to use
     // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
     frameworks: ['mocha']
diff --git a/packages/installations/package.json b/packages/installations/package.json
index 78b6dacc6da..48ec9b9a952 100644
--- a/packages/installations/package.json
+++ b/packages/installations/package.json
@@ -25,9 +25,11 @@
     "build:deps": "lerna run --scope @firebase/installations --include-dependencies build",
     "build:release": "yarn build && yarn typings:public",
     "dev": "rollup -c -w",
-    "test": "yarn type-check && yarn test:karma && yarn lint",
-    "test:ci": "node ../../scripts/run_tests_in_ci.js",
-    "test:karma": "karma start",
+    "test": "yarn type-check && yarn test:all && yarn lint",
+    "test:ci": "node ../../scripts/run_tests_in_ci.js -s test:all",
+    "test:all": "run-p --npm-path npm test:browser test:node",
+    "test:browser" : "karma start",
+    "test:node": "TS_NODE_COMPILER_OPTIONS='{\"module\":\"commonjs\"}' nyc --reporter lcovonly -- mocha src/**/*server-app.test.ts --config ../../config/mocharc.node.js",
     "test:debug": "karma start --browsers=Chrome --auto-watch",
     "trusted-type-check": "tsec -p tsconfig.json --noEmit",
     "type-check": "tsc -p . --noEmit",
diff --git a/packages/installations/src/api/get-id-server-app.test.ts b/packages/installations/src/api/get-id-server-app.test.ts
new file mode 100644
index 00000000000..d16275b29f4
--- /dev/null
+++ b/packages/installations/src/api/get-id-server-app.test.ts
@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { expect } from 'chai';
+import { getId } from './get-id';
+import { FAKE_INSTALLATIONS_ID, getFakeInstallations, getFakeServerApp } from '../testing/fake-generators';
+
+describe('getId-serverapp', () => {
+  it('getId with firebaseServerApp with authIdToken returns valid id', async() => {
+    const installationsAuthToken = "fakeToken";
+    const serverApp = getFakeServerApp(installationsAuthToken);
+    const installations = getFakeInstallations(serverApp);
+    const fid = await getId(installations);
+    expect(fid).to.equal(FAKE_INSTALLATIONS_ID);
+  });
+  it('getId with firebaseServerApp without authIdToken throws', async() => {
+    const serverApp = getFakeServerApp();
+    const installations = getFakeInstallations(serverApp);
+    let fails = false;
+    try {
+      await getId(installations);
+    } catch (e) { 
+      console.error(e);
+      fails = true;
+    }
+    expect(fails).to.be.true;
+  });
+});
diff --git a/packages/installations/src/api/get-token-server-app.test.ts b/packages/installations/src/api/get-token-server-app.test.ts
new file mode 100644
index 00000000000..33b3a4d3aed
--- /dev/null
+++ b/packages/installations/src/api/get-token-server-app.test.ts
@@ -0,0 +1,44 @@
+/**
+ * @license
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { expect, use } from 'chai';
+import { getToken } from './get-token';
+import { getFakeInstallations, getFakeServerApp } from '../testing/fake-generators';
+import chaiAsPromised from 'chai-as-promised';
+
+use(chaiAsPromised);
+
+describe('getToken-serverapp', () => {
+  it('getToken with firebaseServerApp with authIdToken returns valid token', async () => {
+    const installationsAuthToken = "fakeToken.abc123";
+    const serverApp = getFakeServerApp(installationsAuthToken);
+    const installations = getFakeInstallations(serverApp);
+    const token = await getToken(installations);
+    expect(token).to.equal(installationsAuthToken);
+  });
+  it('getToken with firebaseServerApp without authIdToken throws', async () => {
+    const serverApp = getFakeServerApp();
+    const installations = getFakeInstallations(serverApp);
+    let fails = false;
+    try {
+      await getToken(installations);
+    } catch (e) { 
+      fails = true;
+    }
+    expect(fails).to.be.true;
+  });
+});
diff --git a/packages/installations/src/testing/fake-generators.ts b/packages/installations/src/testing/fake-generators.ts
index 6309228d72b..a29f0b12eb6 100644
--- a/packages/installations/src/testing/fake-generators.ts
+++ b/packages/installations/src/testing/fake-generators.ts
@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import { FirebaseApp } from '@firebase/app';
+import { FirebaseApp, FirebaseServerApp } from '@firebase/app';
 import {
   Component,
   ComponentContainer,
@@ -27,6 +27,8 @@ import {
   AppConfig
 } from '../interfaces/installation-impl';
 
+export const FAKE_INSTALLATIONS_ID = 'abc123';
+
 export function getFakeApp(): FirebaseApp {
   return {
     name: 'appName',
@@ -43,13 +45,29 @@ export function getFakeApp(): FirebaseApp {
   };
 }
 
+export function getFakeServerApp(
+  installationsAuthToken: string | null = null
+): FirebaseServerApp {
+  const app = getFakeApp() as any;
+  app.settings = {
+    automaticDataCollectionEnabled: true
+  };
+  if (installationsAuthToken !== null) {
+    app.settings.installationsAuthToken = installationsAuthToken;
+    app.installationsId = FAKE_INSTALLATIONS_ID;
+  }
+  return app;
+}
+
 export function getFakeAppConfig(
   customValues: Partial<AppConfig> = {}
 ): AppConfig {
   return { ...extractAppConfig(getFakeApp()), ...customValues };
 }
 
-export function getFakeInstallations(): FirebaseInstallationsImpl {
+export function getFakeInstallations(
+  app?: FirebaseApp
+): FirebaseInstallationsImpl {
   const container = new ComponentContainer('test');
   container.addComponent(
     new Component(
@@ -61,9 +79,9 @@ export function getFakeInstallations(): FirebaseInstallationsImpl {
       ComponentType.PRIVATE
     )
   );
-
+  const configuredApp: FirebaseApp = app ? app : getFakeApp();
   return {
-    app: getFakeApp(),
+    app: configuredApp,
     appConfig: getFakeAppConfig(),
     heartbeatServiceProvider: container.getProvider('heartbeat'),
     _delete: () => {
diff --git a/packages/installations/src/util/errors.ts b/packages/installations/src/util/errors.ts
index ac1efef2b02..a09b7f22ee8 100644
--- a/packages/installations/src/util/errors.ts
+++ b/packages/installations/src/util/errors.ts
@@ -25,7 +25,7 @@ export const enum ErrorCode {
   REQUEST_FAILED = 'request-failed',
   APP_OFFLINE = 'app-offline',
   DELETE_PENDING_REGISTRATION = 'delete-pending-registration',
-  SERVER_APP_MISSING_INSTALLATIONS_AUTH_TOKEN = 'server-app-missing-installatoins-auth-token'
+  SERVER_APP_MISSING_INSTALLATIONS_AUTH_TOKEN = 'server-app-missing-installations-auth-token'
 }
 
 const ERROR_DESCRIPTION_MAP: { readonly [key in ErrorCode]: string } = {