public void setTestValues(byte[] tableName, byte[] row, byte[] igf, byte[] igq, byte[] chf,
    byte[] chq, byte[] addf, byte[] addq) {
    this.row = row;
    this.tableName = tableName;
    this.ignoredFamily = igf;
    this.ignoredQualifier = igq;
    this.addedFamily = addf;
    this.addedQualifier = addq;
    this.changedFamily = chf;
    this.changedQualifier = chq;
    preWALWriteCalled = false;
    postWALWriteCalled = false;
    preWALRollCalled = false;
    postWALRollCalled = false;
  }
Set values: with a table name, a column name which will be ignored, and a column name which
will be added to WAL.
hbase-server/src/test/java/org/apache/hadoop/hbase/coprocessor/SampleRegionWALCoprocessor.java