Fix test

test/snapshots/params/output.txt

@@ -3,13 +3,17 @@ import { __decorate } from "tslib";
 
 class A {
   method1(skipped: string, b: string) {}
+
   method2(a: string, b: string) {}
+
 }
 
 _decorate([__param(1, Arg())], A.prototype, "method1", null);
+
 _decorate([__param(0, Arg()), __param(1, Arg())], A.prototype, "method2", null);
 
 let B = class B {
   constructor(a: string) {}
+
 };
 B = _decorate([__param(0, Arg())], B);