message: Added test for assigning tuple return to single variable
diff: -import { Expect, Test, TestCase } from "alsatian";
  +import { Expect, Test, TestCase, FocusTest } from "alsatian";
  import { TranspileError } from "../../src/Transpiler";
  import * as util from "../src/util";
  @@ -84,6 +84,16 @@ export class AssignmentTests {
  Expect(lua).toBe("local a,b=abc()");
  }
  + @Test("TupleReturn Single assignment")
  + public tupleReturnSingleAssignment() {
  + const code = `/** !TupleReturn */\n`
  + + `declare function abc() { return [1,2,3]; }\n`
  + + `let a = abc();`;
  +
  + const lua = util.transpileString(code);
  + Expect(lua).toBe("local a = abc()");
  + }
  +
  @Test("TupleReturn interface assignment")
  public tupleReturnInterface() {
  const code = `interface def {\n`
  