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/schematics/testing/index.d.ts

@@ -0,0 +1,8 @@
+/**
+ * @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 './schematic-test-runner';

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

@@ -0,0 +1,25 @@
+"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("./schematic-test-runner"), exports);
+//# sourceMappingURL=index.js.map

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

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

e2e/node_modules/@angular-devkit/schematics/testing/package.json

@@ -0,0 +1,5 @@
+{
+  "name": "@angular-devkit/schematics/testing",
+  "main": "index.js",
+  "typings": "index.d.ts"
+}

e2e/node_modules/@angular-devkit/schematics/testing/schematic-test-runner.d.ts

@@ -0,0 +1,29 @@
+/**
+ * @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 { logging } from '@angular-devkit/core';
+import { Observable } from 'rxjs';
+import { DelegateTree, Rule, SchematicContext, SchematicEngine, TaskConfiguration, Tree } from '../src';
+export declare class UnitTestTree extends DelegateTree {
+    get files(): string[];
+    readContent(path: string): string;
+}
+export declare class SchematicTestRunner {
+    private _collectionName;
+    private _engineHost;
+    private _engine;
+    private _collection;
+    private _logger;
+    constructor(_collectionName: string, collectionPath: string);
+    get engine(): SchematicEngine<{}, {}>;
+    get logger(): logging.Logger;
+    get tasks(): TaskConfiguration[];
+    registerCollection(collectionName: string, collectionPath: string): void;
+    runSchematic<SchematicSchemaT extends object>(schematicName: string, opts?: SchematicSchemaT, tree?: Tree): Promise<UnitTestTree>;
+    runExternalSchematic<SchematicSchemaT extends object>(collectionName: string, schematicName: string, opts?: SchematicSchemaT, tree?: Tree): Promise<UnitTestTree>;
+    callRule(rule: Rule, tree: Tree, parentContext?: Partial<SchematicContext>): Observable<Tree>;
+}

e2e/node_modules/@angular-devkit/schematics/testing/schematic-test-runner.js

@@ -0,0 +1,90 @@
+"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.SchematicTestRunner = exports.UnitTestTree = void 0;
+const core_1 = require("@angular-devkit/core");
+const rxjs_1 = require("rxjs");
+const src_1 = require("../src");
+const call_1 = require("../src/rules/call");
+const node_1 = require("../tasks/node");
+const tools_1 = require("../tools");
+class UnitTestTree extends src_1.DelegateTree {
+    get files() {
+        const result = [];
+        this.visit((path) => result.push(path));
+        return result;
+    }
+    readContent(path) {
+        const buffer = this.read(path);
+        if (buffer === null) {
+            return '';
+        }
+        return buffer.toString();
+    }
+}
+exports.UnitTestTree = UnitTestTree;
+class SchematicTestRunner {
+    _collectionName;
+    _engineHost;
+    _engine;
+    _collection;
+    _logger;
+    constructor(_collectionName, collectionPath) {
+        this._collectionName = _collectionName;
+        this._engineHost = new tools_1.NodeModulesTestEngineHost([
+            // Leverage the specified collection path as an additional base for resolving other
+            // collections by name. This is useful in e.g. pnpm workspaces where `@angular-devkit/schematics`
+            // doesn't necessarily have access to e.g. `@schematics/angular`.
+            collectionPath,
+        ]);
+        this._engine = new src_1.SchematicEngine(this._engineHost);
+        this._engineHost.registerCollection(_collectionName, collectionPath);
+        this._logger = new core_1.logging.Logger('test');
+        const registry = new core_1.schema.CoreSchemaRegistry(src_1.formats.standardFormats);
+        registry.addPostTransform(core_1.schema.transforms.addUndefinedDefaults);
+        this._engineHost.registerOptionsTransform((0, tools_1.validateOptionsWithSchema)(registry));
+        this._engineHost.registerTaskExecutor(node_1.BuiltinTaskExecutor.NodePackage);
+        this._engineHost.registerTaskExecutor(node_1.BuiltinTaskExecutor.RepositoryInitializer);
+        this._engineHost.registerTaskExecutor(node_1.BuiltinTaskExecutor.RunSchematic);
+        this._collection = this._engine.createCollection(this._collectionName);
+    }
+    get engine() {
+        return this._engine;
+    }
+    get logger() {
+        return this._logger;
+    }
+    get tasks() {
+        return [...this._engineHost.tasks];
+    }
+    registerCollection(collectionName, collectionPath) {
+        this._engineHost.registerCollection(collectionName, collectionPath);
+    }
+    async runSchematic(schematicName, opts, tree) {
+        const schematic = this._collection.createSchematic(schematicName, true);
+        const host = (0, rxjs_1.of)(tree || new src_1.HostTree());
+        this._engineHost.clearTasks();
+        const newTree = await (0, rxjs_1.lastValueFrom)(schematic.call(opts || {}, host, { logger: this._logger }));
+        return new UnitTestTree(newTree);
+    }
+    async runExternalSchematic(collectionName, schematicName, opts, tree) {
+        const externalCollection = this._engine.createCollection(collectionName);
+        const schematic = externalCollection.createSchematic(schematicName, true);
+        const host = (0, rxjs_1.of)(tree || new src_1.HostTree());
+        this._engineHost.clearTasks();
+        const newTree = await (0, rxjs_1.lastValueFrom)(schematic.call(opts || {}, host, { logger: this._logger }));
+        return new UnitTestTree(newTree);
+    }
+    callRule(rule, tree, parentContext) {
+        const context = this._engine.createContext({}, parentContext);
+        return (0, call_1.callRule)(rule, (0, rxjs_1.of)(tree), context);
+    }
+}
+exports.SchematicTestRunner = SchematicTestRunner;
+//# sourceMappingURL=schematic-test-runner.js.map

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