UserAgent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36

Steps to reproduce the problem:
Steps to reproduce the problem:
Test case:https://chromium.googlesource.com/chromium/src.git/+/master/third_party/WebKit/LayoutTests/nfc/push.html
1. Check the line#117 and Line#137. it is duplicated.
2. Check the Line#143. the "()" of cancelPush method is missing.

What is the expected behavior?
No case issue.

What went wrong?
[1] duplicated issue in test case Line#117 and Line#137
Line #115 nfc_test(nfc => {
Line #116  return navigator.nfc.push(test_buffer_data).then(() => {
Line #117    nfc.assertNFCMessagesEqual(test_buffer_data, nfc.mockNFC.pushedMessage());
Line #118  });
Line #119 }, 'nfc.push ArrayBuffer with default NFCPushOptions.');

Line #135 nfc_test(nfc => {
Line #136  return navigator.nfc.push(test_buffer_data).then(() => {
Line #137    nfc.assertNFCMessagesEqual(test_buffer_data, nfc.mockNFC.pushedMessage());
Line #138  });
Line #139 }, 'Push ArrayBuffer with default NFCPushOptions.');

[2]The syntax issue in test case Line#143.
Line #141 nfc_test(nfc => {
Line #142   return navigator.nfc.push(test_text_data)
Line #143       .then(() => { navigator.nfc.cancelPush });
Line #144 }, 'nfc.cancelPush should succeed if there is pending push operation.');

Did this work before? N/A 

Does this work in other browsers? N/A

Chrome version: 57.0.2987.133  Channel: stable
OS Version: 6.1 (Windows 7, Windows Server 2008 R2)
Flash Version: Shockwave Flash 25.0 r0