Built-in issue reporter test.

[cpfeedback]

Description

Describe the bug here.

Log

flutter: [I] [rs]: fail to get lrc: 系统找不到指定的文件。 (os error 2)
flutter: [E] NoSuchMethodError: The method '[]' was called on null.
Receiver: null
Tried calling:
flutter: [I] [rs]: fail to get lrc: 系统找不到指定的文件。 (os error 2)
flutter: [E] NoSuchMethodError: The method '[]' was called on null.
Receiver: null
Tried calling: