[REEF-1845] Fix TestFailMapperEvaluatorsOnInit failures in AppVeyor

• Type: Sub-task
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: REEF.NET
• Assignee: Unassigned
• Reporter: Tae-Geon Um
• Created: 27/Jul/17 23:11
• Updated: 27/Jul/17 23:43

Description

TestFailMapperEvaluatorsOnInit test fails transiently, typically in in AppVeyor.

Cannot read from log file C:\projects\reef\lang\cs\bin\x64\Release\Org.Apache.REEF.Tests\REEF_LOCAL_RUNTIME246c0899\reef-BroadcastReduceDriver-20170727140121119\driver\driver.stdout
Expected: True
Actual:   False

Sometimes we've got another error message:

Assert.Equal() Failure
Expected: 0
Actual:   1