-ExecCmds="Automation Run FCompileBlueprintsTest" does not work. -AutomationTests="Blueprints.Compile Blueprints" does not work. But -AutomationTests="Project.Blueprints.Compile Blueprints" does work. That’s the PrettyName for FCompileBlueprintsTest, as defined in BlueprintAutomationTests.cpp.