[UI tests] Add basic UI Tests for Text Extractor (#40769)

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fix/what does it change/how was it tested (even manually, if necessary)?
-->
## Summary of the Pull Request
Text Extractor can be opened on all machines.
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## PR Checklist

- [ ] **Closes:** #40672 
- [ ] **Communication:** I've discussed this with core contributors
already. If the work hasn't been agreed, this work might be rejected
- [ ] **Tests:** Added/updated and all pass
- [ ] **Localization:** All end-user-facing strings can be localized
- [ ] **Dev docs:** Added/updated
- [ ] **New binaries:** Added on the required places
- [ ] [JSON for
signing](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ESRPSigning_core.json)
for new binaries
- [ ] [WXS for
installer](https://github.com/microsoft/PowerToys/blob/main/installer/PowerToysSetup/Product.wxs)
for new binaries and localization folder
- [ ] [YML for CI
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/ci/templates/build-powertoys-steps.yml)
for new test projects
- [ ] [YML for signed
pipeline](https://github.com/microsoft/PowerToys/blob/main/.pipelines/release.yml)
- [ ] **Documentation updated:** If checked, please file a pull request
on [our docs
repo](https://github.com/MicrosoftDocs/windows-uwp/tree/docs/hub/powertoys)
and link it here: #xxx

<!-- Provide a more detailed description of the PR, other things fixed,
or any additional comments/features here -->
## Detailed Description of the Pull Request / Additional comments

<!-- Describe how you validated the behavior. Add automated tests
wherever possible, but list manual validation steps taken as well -->
## Validation Steps Performed

PowerToys.sln

@@ -416,6 +416,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PowerOCR", "src\modules\Pow
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "PowerOCRModuleInterface", "src\modules\PowerOCR\PowerOCRModuleInterface\PowerOCRModuleInterface.vcxproj", "{6AB6A2D6-F859-4A82-9184-0BD29C9F07D1}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{B1234567-1234-1234-1234-123456789ABC}"
+EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.PowerToys.Run.Plugin.History", "src\modules\launcher\Plugins\Microsoft.PowerToys.Run.Plugin.History\Microsoft.PowerToys.Run.Plugin.History.csproj", "{212AD910-8488-4036-BE20-326931B75FB2}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "MeasureTool", "MeasureTool", "{7AC943C9-52E8-44CF-9083-744D8049667B}"
@@ -751,6 +753,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.CmdPal.Ext.TimeDa
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Microsoft.CmdPal.Ext.WindowWalker.UnitTests", "src\modules\cmdpal\Tests\Microsoft.CmdPal.Ext.WindowWalker.UnitTests\Microsoft.CmdPal.Ext.WindowWalker.UnitTests.csproj", "{B0FE6EF3-5FB3-B8DC-7507-008BBB392FD8}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PowerOCR-UITests", "src\modules\PowerOCR\PowerOCR-UITests\PowerOCR-UITests.csproj", "{070AC093-C9F2-20AD-0BCD-F318FC2761EA}"
+EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UITest-Settings", "src\settings-ui\UITest-Settings\UITest-Settings.csproj", "{129A8FCD-CB54-4AD1-AC42-2BFCE159107A}"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "UITest-ColorPicker", "src\modules\colorPicker\UITest-ColorPicker\UITest-ColorPicker.csproj", "{E4BAAD93-A499-42FD-A741-7E9591594B61}"
@@ -2807,6 +2811,14 @@ Global
 		{B0FE6EF3-5FB3-B8DC-7507-008BBB392FD8}.Release|ARM64.Build.0 = Release|ARM64
 		{B0FE6EF3-5FB3-B8DC-7507-008BBB392FD8}.Release|x64.ActiveCfg = Release|x64
 		{B0FE6EF3-5FB3-B8DC-7507-008BBB392FD8}.Release|x64.Build.0 = Release|x64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Debug|ARM64.ActiveCfg = Debug|ARM64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Debug|ARM64.Build.0 = Debug|ARM64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Debug|x64.ActiveCfg = Debug|x64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Debug|x64.Build.0 = Debug|x64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Release|ARM64.ActiveCfg = Release|ARM64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Release|ARM64.Build.0 = Release|ARM64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Release|x64.ActiveCfg = Release|x64
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA}.Release|x64.Build.0 = Release|x64
 		{129A8FCD-CB54-4AD1-AC42-2BFCE159107A}.Debug|ARM64.ActiveCfg = Debug|ARM64
 		{129A8FCD-CB54-4AD1-AC42-2BFCE159107A}.Debug|ARM64.Build.0 = Debug|ARM64
 		{129A8FCD-CB54-4AD1-AC42-2BFCE159107A}.Debug|x64.ActiveCfg = Debug|x64
@@ -2977,6 +2989,7 @@ Global
 		{A50C70A6-2DA0-4027-B90E-B1A40755A8A5} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
 		{25C91A4E-BA4E-467A-85CD-8B62545BF674} = {A50C70A6-2DA0-4027-B90E-B1A40755A8A5}
 		{6AB6A2D6-F859-4A82-9184-0BD29C9F07D1} = {A50C70A6-2DA0-4027-B90E-B1A40755A8A5}
+		{B1234567-1234-1234-1234-123456789ABC} = {A50C70A6-2DA0-4027-B90E-B1A40755A8A5}
 		{212AD910-8488-4036-BE20-326931B75FB2} = {4AFC9975-2456-4C70-94A4-84073C1CED93}
 		{7AC943C9-52E8-44CF-9083-744D8049667B} = {4574FDD0-F61D-4376-98BF-E5A1262C11EC}
 		{54A93AF7-60C7-4F6C-99D2-FBB1F75F853A} = {7AC943C9-52E8-44CF-9083-744D8049667B}
@@ -3133,6 +3146,7 @@ Global
 		{790247CB-2B95-E139-E933-09D10137EEAF} = {15EA681E-C7D8-13C7-8484-4AC65E1B71E8}
 		{18525614-CDB2-8BBE-B1B4-3812CD990C22} = {15EA681E-C7D8-13C7-8484-4AC65E1B71E8}
 		{B0FE6EF3-5FB3-B8DC-7507-008BBB392FD8} = {15EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{070AC093-C9F2-20AD-0BCD-F318FC2761EA} = {B1234567-1234-1234-1234-123456789ABC}
 		{129A8FCD-CB54-4AD1-AC42-2BFCE159107A} = {C3081D9A-1586-441A-B5F4-ED815B3719C1}
 		{E4BAAD93-A499-42FD-A741-7E9591594B61} = {1D78B84B-CA39-406C-98F4-71F7EC266CC0}
 		{2B1505FA-132A-460B-B22B-7CC3FFAB0C5D} = {9B3962F4-AB69-4C2A-8917-2C8448AC6960}

src/modules/PowerOCR/PowerOCR-UITests/PowerOCR-UITests.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <Import Project="..\..\..\Common.Dotnet.CsWinRT.props" />
+  <PropertyGroup>
+    <RootNamespace>PowerOCR.UITests</RootNamespace>
+	<ImplicitUsings>enable</ImplicitUsings>
+	<Nullable>enable</Nullable>
+	<OutputType>Library</OutputType>
+	<RunVSTest>false</RunVSTest>
+  </PropertyGroup>
+
+  <PropertyGroup>
+	<OutputPath>..\..\..\..\$(Platform)\$(Configuration)\tests\PowerOCR.UITests\</OutputPath>
+  </PropertyGroup>
+	
+  <ItemGroup>
+    <PackageReference Include="MSTest" />
+	<ProjectReference Include="..\..\..\common\UITestAutomation\UITestAutomation.csproj" />
+  </ItemGroup>
+</Project>

src/modules/PowerOCR/PowerOCR-UITests/PowerOCRTests.cs

@@ -0,0 +1,59 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.PowerToys.UITest;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+using static Microsoft.PowerToys.UITest.UITestBase;
+
+namespace PowerOCR.UITests;
+
+[TestClass]
+public class PowerOCRTests : UITestBase
+{
+    public PowerOCRTests()
+        : base(PowerToysModule.PowerToysSettings, WindowSize.Medium)
+    {
+    }
+
+    [TestInitialize]
+    public void TestInitialize()
+    {
+        if (FindAll<NavigationViewItem>("Text Extractor").Count == 0)
+        {
+            // Expand Advanced list-group if needed
+            Find<NavigationViewItem>("System Tools").Click();
+        }
+
+        Find<NavigationViewItem>("Text Extractor").Click();
+
+        Find<ToggleSwitch>("Enable Text Extractor").Toggle(true);
+
+        SendKeys(Key.Win, Key.D);
+    }
+
+    [TestMethod("PowerOCR.DetectTextExtractor")]
+    [TestCategory("PowerOCR Detection")]
+    public void DetectTextExtractorTest()
+    {
+        try
+        {
+            SendKeys(Key.Win, Key.Shift, Key.T);
+
+            Thread.Sleep(5000);
+
+            var textExtractorWindow = Find("TextExtractor", 10000, true);
+
+            Assert.IsNotNull(textExtractorWindow, "TextExtractor window should be found after hotkey activation");
+
+            Console.WriteLine("✓ TextExtractor window detected successfully after hotkey activation");
+
+            SendKeys(Key.Esc);
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine($"Failed to detect TextExtractor window: {ex.Message}");
+            Assert.Fail("TextExtractor window was not found after hotkey activation");
+        }
+    }
+}