CivixProjectTestTrait - Given expanded importance of Civix helpers, f…

…lush them in more realistic way

tests/e2e/CivixProjectTestTrait.php

@@ -70,6 +70,7 @@ public static function getExtPath(...$subpath): Path {
   }
 
   public static function civix(string $command): CommandTester {
+    \Civix::reset();
     $application = new Application();
     $command = $application->find($command);
     return new CommandTester($command);