CompressionCacheConfigDUnitTest fails with suspect string

This test fails with following exception after fixing GEODE-719

com.gemstone.gemfire.internal.compression.CompressionCacheConfigDUnitTest > testCreateCacheWithBadCompressor FAILED
java.lang.AssertionError: Suspicious strings were written to the log during this run.
Fix the strings or use DistributedTestCase.addExpectedException to ignore.
-----------------------------------------------------------------------
Found suspect string in log4j at line 449

[error 2016/01/06 05:00:24.953 UTC <RMI TCP Connection(8)-67.195.81.146> tid=0x7eb] While reading Cache XML file:/tmp/cache7531638683730639078xml. Unable to load class BAD_COMPRESSOR