Added tests for completions before a new scope.

Tests for #2292.

tests/cases/fourslash/completionListBeforeNewScope01.ts

@@ -0,0 +1,11 @@
+/// <reference path='fourslash.ts' />
+
+////p/*1*/
+////
+////function fun(param) {
+////    let party = Math.random() < 0.99;
+////}
+
+goTo.marker("1");
+verify.not.completionListContains("param");
+verify.not.completionListContains("party");

tests/cases/fourslash/completionListBeforeNewScope02.ts

@@ -0,0 +1,10 @@
+/// <reference path='fourslash.ts' />
+
+////a
+////
+////{
+////    let aaaaaa = 10;
+////}
+
+goTo.marker("1");
+verify.not.completionListContains("aaaaa");