[FLINK-10835] Remove duplicated Round-robin ChannelSelector implementation in RecordWriterTest

• Type: Sub-task
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 1.8.0
• Fix Version/s: 1.8.0
• Component/s: Runtime / Network
• Labels: pull-request-available
• Assignee: Zhijiang
• Reporter: Zhijiang
• Created: 09/Nov/18 03:51
• Updated: 12/Nov/18 02:35
• Resolved: 09/Nov/18 14:17

Description

RoundRobinChannelSelector exists for default selector in RecordWriter mainly for tests. Another similar RoundRobin implementation exists in RecordWriterTest, only because the difference in starting channel index for round-robin.

We can adjust the test verify logic to keep the same behavior with RoundRobinChannelSelector, and then remove the duplicated RoundRobin.

It can make simple in following work FLINK-10622

Issue Links

• links to: GitHub Pull Request #7069