CypressTestsBase.cs

  public class CypressTestsBase
  {
      protected void RunCypressTest(string cypressSpecFilePath)
      {
          var process = new System.Diagnostics.Process();
          var testAssemblyPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
          if (string.IsNullOrEmpty(testAssemblyPath))
          {
              throw new Exception("Cannot find test assembly path!");
          }

          var reactAppPath = Path.GetFullPath(Path.Combine(testAssemblyPath, @"..\..\..\..\cypress-react-app"));
          var startInfo = new System.Diagnostics.ProcessStartInfo
          {
              UseShellExecute = false,
              WorkingDirectory = reactAppPath,
              WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden, FileName = "cmd.exe",
              RedirectStandardInput = true,
              RedirectStandardOutput = true
          };
          process.StartInfo = startInfo;
          process.Start();

          process.StandardInput.WriteLine($"npx cypress run --spec \"cypress/integration/{cypressSpecFilePath}\" & exit");
          var cypressProcessOutput = process.StandardOutput.ReadToEnd();
          process.WaitForExit();
          TestContext.Out.WriteLine($@"Cypress spec {cypressSpecFilePath} run output:");
          TestContext.Out.WriteLine(cypressProcessOutput);
          Assert.AreEqual(0, process.ExitCode, $"Some Cypress tests from {cypressSpecFilePath} failed. See the details for details.");
      }
  }