[HDFS-8063] Fix intermittent test failures in TestTracing

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 2.7.0
• Component/s: test
• Target Version/s: 2.7.0
• Assignee: Masatake Iwasaki
• Reporter: Masatake Iwasaki
• Created: 05/Apr/15 12:27
• Updated: 10/Apr/15 20:30
• Resolved: 09/Apr/15 18:43

Description

Tests in TestTracing sometimes fails, especially on slow machine. The cause is that spans is possible to arrive at receiver after assertSpanNamesFound passed and SetSpanReceiver.SetHolder.spans.clear() is called for next test case.