@Override
    public byte[] decompress(byte[] input) {
      return savedCompressInput;
    }
Creates a region and assigns a compressor.

@param vm a virtual machine to create the region on.
@param name a region name.
@param compressor a compressor.
@return true if successfully created, otherwise false.
geode-core/src/distributedTest/java/org/apache/geode/internal/compression/CompressionStatsDUnitTest.java