public IList <TestFileSummary> Execute(TestOptions testOptions,
TestContext testContext,
TestExecutionMode testExecutionMode,
ITestMethodRunnerCallback callback)
{
string runnerPath = fileProbe.FindFilePath(testContext.TestRunner);
string fileUrl = BuildHarnessUrl(testContext);
string chromeBrowserPath = testContext.TestFileSettings?.EngineOptions?.ChromeBrowserPath;
string runnerArgs = BuildRunnerArgs(testOptions, testContext, fileUrl, runnerPath, testExecutionMode, isRunningElevated, chromeBrowserPath);
var streamTimeout = ((testContext.TestFileSettings.TestFileTimeout ?? testOptions.TestFileTimeoutMilliseconds) + 500).GetValueOrDefault(); // Add buffer to timeout to account for serialization
TestCaseStreamReadResult streamProcessor(ProcessStreamStringSource processStream) => readerFactory.Create().Read(processStream, testOptions, testContext, callback);
var environmentVariables = BuildEnvironmentVariables();
var processResult = processTools.RunExecutableAndProcessOutput(headlessBrowserPath, runnerArgs, streamProcessor, streamTimeout, environmentVariables);
HandleTestProcessExitCode(testContext, processResult.ExitCode, testContext.FirstInputTestFile, processResult.Model.TestFileSummaries.Select(x => x.Errors).FirstOrDefault(), callback);
return(processResult.Model.TestFileSummaries);
}