Fix Laravel installer on Windows WSL (#385)

* Fix test name

* Use rtrim instead of mb_trim

Author: JasonTame

src/NewCommand.php

@@ -193,7 +193,7 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $this->validateDatabaseOption($input);
         $this->validateStackOption($input);
 
-        $name = mb_rtrim($input->getArgument('name'), '/\\');
+        $name = rtrim($input->getArgument('name'), '/\\');
 
         $directory = $this->getInstallationDirectory($name);
 

tests/NewCommandTest.php

@@ -37,7 +37,7 @@ public function test_it_can_scaffold_a_new_laravel_app()
         $this->assertFileExists($scaffoldDirectory.'/.env');
     }
 
-    public function test_it_can_chops_trailing_slash_from_name()
+    public function test_it_can_chop_trailing_slash_from_name()
     {
         if ($this->runOnValetOrHerd('paths') === false) {
             $this->markTestSkipped('Require `herd` or `valet` to resolve `APP_URL` using hostname instead of "localhost".');