private void createPreviousFiles(final int mainId, final int fileCount, final int lineCount)
      throws IOException {
    createPreviousFiles(name, mainId, fileCount, lineCount);
  }
Validates number of files under this.dir while ignoring this.dirOfDeletedFiles.
geode-core/src/integrationTest/java/org/apache/geode/internal/statistics/DiskSpaceLimitIntegrationTest.java