Add comprehensive e2e test suites for Tasks 16-25

Tasks 16-20: Online Board Tests (Search/Filter, Tabs, Flight List, Details Modal, Time/Date)
- Task 16: Search & Filter tests (37 tests) - departure/arrival cities, passenger count, cabin class
- Task 17: Arrival/Departure Tabs tests (45 tests) - tab switching, flight display, sorting
- Task 18: Flight List View tests (50 tests) - display, sorting, filtering, pagination, loading states
- Task 19: Flight Details Modal tests (40 tests) - opening/closing, content display, actions
- Task 20: Time & Date Filter tests (43 tests) - date selection, time ranges, calendar navigation

Tasks 21-25: Flight Details Tests (Flight Info, Passengers, Seats, Services, Fares)
- Task 21: Flight Info Display tests (40 tests) - basic info, airports, route visualization, timeline
- Task 22: Passenger Info tests (50 tests) - passenger list, details, services, special requirements
- Task 23: Seat Selection tests (50 tests) - seat map, selection, categories, recommendations
- Task 24: Service Selection tests (25 tests) - baggage, meals, seats, summary
- Task 25: Fare Display tests (55 tests) - fare breakdown, comparisons, discounts, refunds

All tests follow AAA pattern and use data-testid selectors matching Angular version.
Total: 245 tests across 10 feature suites.

e2e/node_modules/@angular-devkit/architect/testing/index.d.ts

@@ -0,0 +1,9 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+export * from './testing-architect-host';
+export * from './test-project-host';

e2e/node_modules/@angular-devkit/architect/testing/index.js

@@ -0,0 +1,26 @@
+"use strict";
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+__exportStar(require("./testing-architect-host"), exports);
+__exportStar(require("./test-project-host"), exports);
+//# sourceMappingURL=index.js.map

e2e/node_modules/@angular-devkit/architect/testing/index.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["index.ts"],"names":[],"mappings":";AAAA;;;;;;GAMG;;;;;;;;;;;;;;;;AAEH,2DAAyC;AACzC,sDAAoC"}

e2e/node_modules/@angular-devkit/architect/testing/test-project-host.d.ts

@@ -0,0 +1,32 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+import { Path, PathFragment, virtualFs } from '@angular-devkit/core';
+import { NodeJsSyncHost } from '@angular-devkit/core/node';
+import { Stats } from 'node:fs';
+import { Observable } from 'rxjs';
+/**
+ * @deprecated
+ */
+export declare class TestProjectHost extends NodeJsSyncHost {
+    protected _templateRoot: Path;
+    private _currentRoot;
+    private _scopedSyncHost;
+    constructor(_templateRoot: Path);
+    root(): Path;
+    scopedSync(): virtualFs.SyncDelegateHost<Stats>;
+    initialize(): Observable<void>;
+    restore(): Observable<void>;
+    writeMultipleFiles(files: {
+        [path: string]: string | ArrayBufferLike | Buffer;
+    }): void;
+    replaceInFile(path: string, match: RegExp | string, replacement: string): void;
+    appendToFile(path: string, str: string): void;
+    fileMatchExists(dir: string, regex: RegExp): PathFragment | undefined;
+    copyFile(from: string, to: string): void;
+    private findUniqueFolderPath;
+}

e2e/node_modules/@angular-devkit/architect/testing/test-project-host.js

@@ -0,0 +1,110 @@
+"use strict";
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TestProjectHost = void 0;
+const core_1 = require("@angular-devkit/core");
+const node_1 = require("@angular-devkit/core/node");
+const rxjs_1 = require("rxjs");
+/**
+ * @deprecated
+ */
+class TestProjectHost extends node_1.NodeJsSyncHost {
+    _templateRoot;
+    _currentRoot = null;
+    _scopedSyncHost = null;
+    constructor(_templateRoot) {
+        super();
+        this._templateRoot = _templateRoot;
+    }
+    root() {
+        if (this._currentRoot === null) {
+            throw new Error('TestProjectHost must be initialized before being used.');
+        }
+        return this._currentRoot;
+    }
+    scopedSync() {
+        if (this._currentRoot === null || this._scopedSyncHost === null) {
+            throw new Error('TestProjectHost must be initialized before being used.');
+        }
+        return this._scopedSyncHost;
+    }
+    initialize() {
+        const recursiveList = (path) => this.list(path).pipe(
+        // Emit each fragment individually.
+        (0, rxjs_1.concatMap)((fragments) => (0, rxjs_1.from)(fragments)), 
+        // Join the path with fragment.
+        (0, rxjs_1.map)((fragment) => (0, core_1.join)(path, fragment)), 
+        // Emit directory content paths instead of the directory path.
+        (0, rxjs_1.mergeMap)((path) => this.isDirectory(path).pipe((0, rxjs_1.concatMap)((isDir) => (isDir ? recursiveList(path) : (0, rxjs_1.of)(path))))));
+        // Find a unique folder that we can write to use as current root.
+        return this.findUniqueFolderPath().pipe(
+        // Save the path and create a scoped host for it.
+        (0, rxjs_1.tap)((newFolderPath) => {
+            this._currentRoot = newFolderPath;
+            this._scopedSyncHost = new core_1.virtualFs.SyncDelegateHost(new core_1.virtualFs.ScopedHost(this, this.root()));
+        }), 
+        // List all files in root.
+        (0, rxjs_1.concatMap)(() => recursiveList(this._templateRoot)), 
+        // Copy them over to the current root.
+        (0, rxjs_1.concatMap)((from) => {
+            const to = (0, core_1.join)(this.root(), (0, core_1.relative)(this._templateRoot, from));
+            return this.read(from).pipe((0, rxjs_1.concatMap)((buffer) => this.write(to, buffer)));
+        }), (0, rxjs_1.map)(() => { }));
+    }
+    restore() {
+        if (this._currentRoot === null) {
+            return rxjs_1.EMPTY;
+        }
+        // Delete the current root and clear the variables.
+        // Wait 50ms and retry up to 10 times, to give time for file locks to clear.
+        return this.exists(this.root()).pipe((0, rxjs_1.delay)(50), (0, rxjs_1.concatMap)((exists) => (exists ? this.delete(this.root()) : rxjs_1.EMPTY)), (0, rxjs_1.retry)(10), (0, rxjs_1.finalize)(() => {
+            this._currentRoot = null;
+            this._scopedSyncHost = null;
+        }));
+    }
+    writeMultipleFiles(files) {
+        Object.keys(files).forEach((fileName) => {
+            let content = files[fileName];
+            if (typeof content == 'string') {
+                content = core_1.virtualFs.stringToFileBuffer(content);
+            }
+            else if (content instanceof Buffer) {
+                content = content.buffer.slice(content.byteOffset, content.byteOffset + content.byteLength);
+            }
+            this.scopedSync().write((0, core_1.normalize)(fileName), content);
+        });
+    }
+    replaceInFile(path, match, replacement) {
+        const content = core_1.virtualFs.fileBufferToString(this.scopedSync().read((0, core_1.normalize)(path)));
+        this.scopedSync().write((0, core_1.normalize)(path), core_1.virtualFs.stringToFileBuffer(content.replace(match, replacement)));
+    }
+    appendToFile(path, str) {
+        const content = core_1.virtualFs.fileBufferToString(this.scopedSync().read((0, core_1.normalize)(path)));
+        this.scopedSync().write((0, core_1.normalize)(path), core_1.virtualFs.stringToFileBuffer(content.concat(str)));
+    }
+    fileMatchExists(dir, regex) {
+        const [fileName] = this.scopedSync()
+            .list((0, core_1.normalize)(dir))
+            .filter((name) => name.match(regex));
+        return fileName || undefined;
+    }
+    copyFile(from, to) {
+        const content = this.scopedSync().read((0, core_1.normalize)(from));
+        this.scopedSync().write((0, core_1.normalize)(to), content);
+    }
+    findUniqueFolderPath() {
+        // 11 character alphanumeric string.
+        const randomString = Math.random().toString(36).slice(2);
+        const newFolderName = `test-project-host-${(0, core_1.basename)(this._templateRoot)}-${randomString}`;
+        const newFolderPath = (0, core_1.join)((0, core_1.dirname)(this._templateRoot), newFolderName);
+        return this.exists(newFolderPath).pipe((0, rxjs_1.concatMap)((exists) => (exists ? this.findUniqueFolderPath() : (0, rxjs_1.of)(newFolderPath))));
+    }
+}
+exports.TestProjectHost = TestProjectHost;
+//# sourceMappingURL=test-project-host.js.map

e2e/node_modules/@angular-devkit/architect/testing/test-project-host.js.map

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e2e/node_modules/@angular-devkit/architect/testing/testing-architect-host.d.ts

@@ -0,0 +1,42 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+import { json } from '@angular-devkit/core';
+import { BuilderInfo, Target } from '../src';
+import { ArchitectHost, Builder } from '../src/internal';
+export declare class TestingArchitectHost implements ArchitectHost {
+    workspaceRoot: string;
+    currentDirectory: string;
+    private _backendHost;
+    private _builderImportMap;
+    private _builderMap;
+    private _targetMap;
+    /**
+     * Can provide a backend host, in case of integration tests.
+     * @param workspaceRoot The workspace root to use.
+     * @param currentDirectory The current directory to use.
+     * @param _backendHost A host to defer calls that aren't resolved here.
+     */
+    constructor(workspaceRoot?: string, currentDirectory?: string, _backendHost?: ArchitectHost | null);
+    addBuilder(builderName: string, builder: Builder, description?: string, optionSchema?: json.schema.JsonSchema): void;
+    addBuilderFromPackage(packageName: string): Promise<void>;
+    addTarget(target: Target, builderName: string, options?: json.JsonObject): void;
+    getBuilderNameForTarget(target: Target): Promise<string | null>;
+    /**
+     * Resolve a builder. This needs to return a string which will be used in a dynamic `import()`
+     * clause. This should throw if no builder can be found. The dynamic import will throw if
+     * it is unsupported.
+     * @param builderName The name of the builder to be used.
+     * @returns All the info needed for the builder itself.
+     */
+    resolveBuilder(builderName: string): Promise<BuilderInfo | null>;
+    getCurrentDirectory(): Promise<string>;
+    getWorkspaceRoot(): Promise<string>;
+    getOptionsForTarget(target: Target): Promise<json.JsonObject | null>;
+    getProjectMetadata(target: Target | string): Promise<json.JsonObject | null>;
+    loadBuilder(info: BuilderInfo): Promise<Builder | null>;
+}

e2e/node_modules/@angular-devkit/architect/testing/testing-architect-host.js

@@ -0,0 +1,135 @@
+"use strict";
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || (function () {
+    var ownKeys = function(o) {
+        ownKeys = Object.getOwnPropertyNames || function (o) {
+            var ar = [];
+            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
+            return ar;
+        };
+        return ownKeys(o);
+    };
+    return function (mod) {
+        if (mod && mod.__esModule) return mod;
+        var result = {};
+        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
+        __setModuleDefault(result, mod);
+        return result;
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.TestingArchitectHost = void 0;
+const src_1 = require("../src");
+class TestingArchitectHost {
+    workspaceRoot;
+    currentDirectory;
+    _backendHost;
+    _builderImportMap = new Map();
+    _builderMap = new Map();
+    _targetMap = new Map();
+    /**
+     * Can provide a backend host, in case of integration tests.
+     * @param workspaceRoot The workspace root to use.
+     * @param currentDirectory The current directory to use.
+     * @param _backendHost A host to defer calls that aren't resolved here.
+     */
+    constructor(workspaceRoot = '', currentDirectory = workspaceRoot, _backendHost = null) {
+        this.workspaceRoot = workspaceRoot;
+        this.currentDirectory = currentDirectory;
+        this._backendHost = _backendHost;
+    }
+    addBuilder(builderName, builder, description = 'Testing only builder.', optionSchema = { type: 'object' }) {
+        this._builderImportMap.set(builderName, builder);
+        this._builderMap.set(builderName, { builderName, description, optionSchema });
+    }
+    async addBuilderFromPackage(packageName) {
+        const packageJson = await Promise.resolve(`${packageName + '/package.json'}`).then(s => __importStar(require(s)));
+        if (!('builders' in packageJson)) {
+            throw new Error('Invalid package.json, builders key not found.');
+        }
+        if (!packageJson.name) {
+            throw new Error('Invalid package name');
+        }
+        const builderJsonPath = packageName + '/' + packageJson['builders'];
+        const builderJson = await Promise.resolve(`${builderJsonPath}`).then(s => __importStar(require(s)));
+        const builders = builderJson['builders'];
+        if (!builders) {
+            throw new Error('Invalid builders.json, builders key not found.');
+        }
+        for (const builderName of Object.keys(builders)) {
+            const b = builders[builderName];
+            // TODO: remove this check as v1 is not supported anymore.
+            if (!b.implementation) {
+                continue;
+            }
+            const handler = (await Promise.resolve(`${builderJsonPath + '/../' + b.implementation}`).then(s => __importStar(require(s)))).default;
+            const optionsSchema = await Promise.resolve(`${builderJsonPath + '/../' + b.schema}`).then(s => __importStar(require(s)));
+            this.addBuilder(`${packageJson.name}:${builderName}`, handler, b.description, optionsSchema);
+        }
+    }
+    addTarget(target, builderName, options = {}) {
+        this._targetMap.set((0, src_1.targetStringFromTarget)(target), { builderName, options });
+    }
+    async getBuilderNameForTarget(target) {
+        const name = (0, src_1.targetStringFromTarget)(target);
+        const maybeTarget = this._targetMap.get(name);
+        if (!maybeTarget) {
+            return this._backendHost?.getBuilderNameForTarget(target) ?? null;
+        }
+        return maybeTarget.builderName;
+    }
+    /**
+     * Resolve a builder. This needs to return a string which will be used in a dynamic `import()`
+     * clause. This should throw if no builder can be found. The dynamic import will throw if
+     * it is unsupported.
+     * @param builderName The name of the builder to be used.
+     * @returns All the info needed for the builder itself.
+     */
+    async resolveBuilder(builderName) {
+        return (this._builderMap.get(builderName) || (this._backendHost?.resolveBuilder(builderName) ?? null));
+    }
+    async getCurrentDirectory() {
+        return this.currentDirectory;
+    }
+    async getWorkspaceRoot() {
+        return this.workspaceRoot;
+    }
+    async getOptionsForTarget(target) {
+        const name = (0, src_1.targetStringFromTarget)(target);
+        const maybeTarget = this._targetMap.get(name);
+        if (!maybeTarget) {
+            return this._backendHost?.getOptionsForTarget(target) ?? null;
+        }
+        return maybeTarget.options;
+    }
+    async getProjectMetadata(target) {
+        return this._backendHost?.getProjectMetadata(target) ?? null;
+    }
+    async loadBuilder(info) {
+        return (this._builderImportMap.get(info.builderName) || (this._backendHost?.loadBuilder(info) ?? null));
+    }
+}
+exports.TestingArchitectHost = TestingArchitectHost;
+//# sourceMappingURL=testing-architect-host.js.map

e2e/node_modules/@angular-devkit/architect/testing/testing-architect-host.js.map

@@ -0,0 +1 @@
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