gui-cs.Terminal.Gui/Tests/UnitTests/runsettings.xml

<?xml version="1.0" encoding="utf-8"?>
<RunSettings>
	<!-- xUnit Config for Stop-on-Fail -->
	<xUnit>
		<ParallelizeAssembly>false</ParallelizeAssembly>
		<!-- Disable assembly parallelism -->
		<ParallelizeTestCollections>false</ParallelizeTestCollections>
		<!-- Disable collection parallelism -->
		<MaxParallelThreads>1</MaxParallelThreads>
		<!-- Ensure single-threaded -->
		<StopOnFail>true</StopOnFail>
		<!-- STOP HERE ON FIRST FAILURE! -->
	</xUnit>

	<RunConfiguration>
		<ResultsDirectory>../../TestResults</ResultsDirectory>
	</RunConfiguration>
</RunSettings>