Fix format task

format is asynchronous we must await.

harness/lib/suites/suite.js

@@ -18,12 +18,7 @@ describe('tests', () => {
   describe('inline', function () {
     console.log(this)
     const inlineTests = tests.find((it) => it.type === 'dir' && it.name === 'inline').entries
-    makeTests(inlineTests, async function ({
-      input,
-      inputPath,
-      expected,
-      expectedWithoutLocations,
-    }) {
+    makeTests(inlineTests, async function ({ input, inputPath, expected, expectedWithoutLocations }) {
       const actualRoot = await parse(input)
       assert.ok('blocks' in actualRoot, 'should have a blocks property')
       assert.ok(actualRoot.blocks.length === 1, 'blocks property should have one (and only one) block')
@@ -43,12 +38,7 @@ describe('tests', () => {
   })
   describe('block', function () {
     const blockTests = tests.find((it) => it.type === 'dir' && it.name === 'block').entries
-    makeTests(blockTests, async function ({
-      input,
-      inputPath,
-      expected,
-      expectedWithoutLocations,
-    }) {
+    makeTests(blockTests, async function ({ input, inputPath, expected, expectedWithoutLocations }) {
       const actual = await parse(input)
       if (expected == null) {
         // Q: can we write data to expect file automatically?