test(BRIDGE-133): Bridge E2E UI tests for Windows

tests/e2e/ui_tests/windows_os/TestsHelper/TestUserData.cs

@@ -0,0 +1,58 @@
+using System;
+
+namespace ProtonMailBridge.UI.Tests.TestsHelper
+{
+    public class TestUserData
+    {
+        public string Username { get; set; }
+        public string Password { get; set; }
+
+        public TestUserData(string username, string password)
+        {
+            Username = username;
+            Password = password;
+        }
+
+        public static TestUserData GetFreeUser()
+        {
+            (string username, string password) = GetusernameAndPassword("BRIDGE_FLAUI_FREE_USER");
+            return new TestUserData(username, password);
+        }
+
+        public static TestUserData GetPaidUser()
+        {
+            (string username, string password) = GetusernameAndPassword("BRIDGE_FLAUI_PAID_USER");
+            return new TestUserData(username, password);
+        }
+
+        public static TestUserData GetIncorrectCredentialsUser()
+        {
+            return new TestUserData("IncorrectUsername", "IncorrectPass");
+        }
+
+        private static (string, string) GetusernameAndPassword(string userType)
+        {
+            // Get the environment variable for the user and check if missing
+            // When changing or adding an environment variable, you must restart Visual Studio
+            // if you have it open while doing this
+            string? str = Environment.GetEnvironmentVariable(userType);
+            if (string.IsNullOrEmpty(str))
+            {
+                throw new Exception($"Missing environment variable: {userType}");
+            }
+
+            // Check if the environment variable contains only one ':'
+            // The ':' character must be between the username/email and password
+            string ch = ":";
+            if ((str.IndexOf(ch) != str.LastIndexOf(ch)) | (str.IndexOf(ch) == -1))
+            {
+                throw new Exception(
+                    $"Environment variable {str} must contain one ':' and it must be between username and password!"
+                    );
+            }
+
+            string[] split = str.Split(':');
+            return (split[0], split[1]);
+        }
+    }
+}