Rename non-idiomatic 'get' functions to follow Swift conventions and simplify Swift file detection logic

Author: tienquocbui

Sources/Testing/ABI/EntryPoints/EntryPoint.swift

@@ -58,11 +58,11 @@ func entryPoint(passing args: __CommandLineArguments_v0?, eventHandler: Event.Ha
       if Environment.flag(named: "SWT_ENABLE_EXPERIMENTAL_CONSOLE_OUTPUT") == true {
         // Use experimental AdvancedConsoleOutputRecorder
         var advancedOptions = Event.AdvancedConsoleOutputRecorder<ABI.HighestVersion>.Options()
-        advancedOptions.base = Event.ConsoleOutputRecorder.Options.for(.stderr)
+        advancedOptions.base = .for(.stderr)
         let eventRecorder = Event.AdvancedConsoleOutputRecorder<ABI.HighestVersion>(options: advancedOptions) { string in
           try? FileHandle.stderr.write(string)
         }
-
+        
         configuration.eventHandler = { [oldEventHandler = configuration.eventHandler] event, context in
           eventRecorder.record(event, in: context)
           oldEventHandler(event, context)
@@ -626,7 +626,7 @@ public func configurationForEntryPoint(from args: __CommandLineArguments_v0) thr
   configuration.exitTestHandler = ExitTest.handlerForEntryPoint()
 #endif
 
-  // Warning issues (experimental).
+    // Warning issues (experimental).
   switch args.eventStreamVersionNumber {
   case .some(..<ABI.v6_3.versionNumber):
     // If the event stream version was explicitly specified to a value < 6.3,