fix code coverage

Author: kentcdodds

src/__tests__/wait-for.js

@@ -23,7 +23,7 @@ test('can timeout after the given timeout time', async () => {
   expect(result).toBe(error)
 })
 
-test('uses generic error if there was no last error', async () => {
+test('if no error is thrown then throws a timeout error', async () => {
   const result = await waitFor(
     () => {
       // eslint-disable-next-line no-throw-literal
@@ -34,6 +34,17 @@ test('uses generic error if there was no last error', async () => {
   expect(result).toMatchInlineSnapshot(`[Error: Timed out in waitFor.]`)
 })
 
+test('if showOriginalStackTrace on a timeout error then the stack trace does not include this file', async () => {
+  const result = await waitFor(
+    () => {
+      // eslint-disable-next-line no-throw-literal
+      throw undefined
+    },
+    {timeout: 8, interval: 5, showOriginalStackTrace: true},
+  ).catch(e => e)
+  expect(result.stack).not.toMatch(__dirname)
+})
+
 test('uses full stack error trace when showOriginalStackTrace present', async () => {
   const error = new Error('Throws the full stack trace')
   // even if the error is a TestingLibraryElementError

src/wait-for.js

@@ -28,7 +28,7 @@ function waitFor(
       attributes: true,
       characterData: true,
     },
-  } = {},
+  },
 ) {
   if (typeof callback !== 'function') {
     throw new TypeError('Received `callback` arg must be a function')