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import { assertEquals } from "https://deno.land/std/testing/asserts.ts";import { compact, difference, trim } from "./util.ts";
Deno.test("compactTest", () => {  const actual = compact({    foo: true,    bar: false,    baz: null,    qux: "hi",  });  const expected = {    foo: true,    qux: "hi",  };
  assertEquals(actual, expected, "removes falsy values");});
Deno.test("trimTest", () => {  const actual = trim(" hello world. \n\t ");  const expected = "hello world.";  assertEquals(actual, expected, "trims whitespace");});
Deno.test("differenceTest", () => {  const actual = difference(["a", "b", "c"], ["b", "c", "d"]);  const expected = ["a"];  assertEquals(    actual,    expected,    "returns an array of elements in list1 that are not in list2",  );});