Force-track TestResult.cs ignored by gitignore pattern (Azure#57912)

Author: radhgupta

sdk/tools/Azure.GeneratorAgent/src/Mcp/Tools/TestResult.cs

@@ -0,0 +1,20 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+namespace Azure.GeneratorAgent.Mcp.Tools;
+
+/// <summary>
+/// Structured test execution result.
+/// </summary>
+public sealed class TestResult
+{
+    public bool Success { get; set; }
+    public int ExitCode { get; set; }
+    public int Passed { get; set; }
+    public int Failed { get; set; }
+    public int Skipped { get; set; }
+    public int Total { get; set; }
+    public List<string> Failures { get; set; } = [];
+    public string? Error { get; set; }
+    public string RawOutput { get; set; } = string.Empty;
+}