rename test

Author: Arthur Ozga

tests/cases/fourslash/formatOnEnterEmptyBlock.ts renamed to tests/cases/fourslash/formatIfWithEmptyCondition.ts

@@ -1,16 +1,11 @@
 /// <reference path="fourslash.ts"/>
 
-//// if (true) {
-//// }
 //// if () {
 //// }
 
 format.setOption("PlaceOpenBraceOnNewLineForControlBlocks", true);
 format.document();
 verify.currentFileContentIs(
-`if (true)
-{
-}
-if ()
+`if ()
 {
 }`);