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.

node_modules/object-inspect/example/all.js

@@ -0,0 +1,23 @@
+'use strict';
+
+var inspect = require('../');
+var Buffer = require('safer-buffer').Buffer;
+
+var holes = ['a', 'b'];
+holes[4] = 'e';
+holes[6] = 'g';
+
+var obj = {
+    a: 1,
+    b: [3, 4, undefined, null],
+    c: undefined,
+    d: null,
+    e: {
+        regex: /^x/i,
+        buf: Buffer.from('abc'),
+        holes: holes
+    },
+    now: new Date()
+};
+obj.self = obj;
+console.log(inspect(obj));

node_modules/object-inspect/example/circular.js

@@ -0,0 +1,6 @@
+'use strict';
+
+var inspect = require('../');
+var obj = { a: 1, b: [3, 4] };
+obj.c = obj;
+console.log(inspect(obj));

node_modules/object-inspect/example/fn.js

@@ -0,0 +1,5 @@
+'use strict';
+
+var inspect = require('../');
+var obj = [1, 2, function f(n) { return n + 5; }, 4];
+console.log(inspect(obj));

node_modules/object-inspect/example/inspect.js

@@ -0,0 +1,10 @@
+'use strict';
+
+/* eslint-env browser */
+var inspect = require('../');
+
+var d = document.createElement('div');
+d.setAttribute('id', 'beep');
+d.innerHTML = '<b>wooo</b><i>iiiii</i>';
+
+console.log(inspect([d, { a: 3, b: 4, c: [5, 6, [7, [8, [9]]]] }]));