private String printLine(String leftValue, int leftWidth1, String rightValue, int rightWidth) {
    return "| " + leftValue + printMultiple(' ', leftWidth1 - leftValue.length()) + " | "
      + rightValue + printMultiple(' ', rightWidth - rightValue.length()) + " |";
  }
Note that about half of these tests were relevant for a different implementation approach of
setStartStopRowForPrefixScan. These test cases have been retained to ensure that also the
edge cases found there are still covered.
hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestScanRowPrefix.java