fix: Address formatting and duplicate imports from gemini review

Author: jonathanedey

src/app/firebase-namespace.ts

@@ -19,7 +19,7 @@ import { App as AppCore } from './core';
 import { AppStore, defaultAppStore } from './lifecycle';
 import {
   app, appCheck, auth, messaging, machineLearning, storage, firestore, database,
-  installations, projectManagement, securityRules , remoteConfig, AppOptions,
+  installations, projectManagement, securityRules, remoteConfig, AppOptions,
 } from '../firebase-namespace-api';
 import { cert, refreshToken, applicationDefault } from './credential-factory';
 import { getSdkVersion } from '../utils/index';
@@ -352,7 +352,6 @@ function extendApp(app: AppCore): App {
     return fn(app);
   };
 
-
   result.installations = () => {
     const fn = require('../installations/index').getInstallations;
     return fn(app);

test/unit/index.spec.ts

@@ -68,14 +68,6 @@ import './firestore/index.spec';
 import './installations/installations.spec';
 import './installations/installations-request-handler.spec';
 
-// Installations
-import './installations/installations.spec';
-import './installations/installations-request-handler.spec';
-
-// Installations
-import './installations/installations.spec';
-import './installations/installations-request-handler.spec';
-
 // ProjectManagement
 import './project-management/index.spec';
 import './project-management/project-management.spec';