Fix Zebra unit test TestBasicUnion.testNeg3, TestBasicUnion.testNeg4
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Key: PIG-2106
URL: https://issues.apache.org/jira/browse/PIG-2106
Project: Pig
Issue Type: Bug
Affects Versions: 0.9.0, 0.10
Reporter: Daniel Dai
Assignee: Daniel Dai
Fix For: 0.9.0, 0.10
Two zebra unit tests are broken after PIG-2084. We need to fix them.
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