add single-line object destructuring test case

Author: unstubbable

tests/cases/fourslash/formattingInDestructuring3.ts

@@ -3,7 +3,8 @@
 /////*1*/const {
 /////*2*/    a,
 /////*3*/    b,
-/////*4*/} = { a: 1, b: 2 };
+/////*4*/} = {a: 1, b: 2};
+/////*5*/const {a: c} = {a: 1, b: 2};
 
 format.document();
 
@@ -14,4 +15,6 @@ verify.currentLineContentIs("    a,");
 goTo.marker("3");
 verify.currentLineContentIs("    b,");
 goTo.marker("4");
-verify.currentLineContentIs("} = { a: 1, b: 2 };");
+verify.currentLineContentIs("} = { a: 1, b: 2 };");
+goTo.marker("5");
+verify.currentLineContentIs("const { a: c } = { a: 1, b: 2 };");