private String getBaselineBackupPath() {
    File[] dirs = getBaselineDir().listFiles((FileFilter) DIRECTORY);
    assertThat(dirs).hasSize(1);
    return dirs[0].getAbsolutePath();
  }
Verifies that a user deployed jar file is included as part of the backup.
geode-core/src/integrationTest/java/org/apache/geode/internal/cache/backup/IncrementalBackupIntegrationTest.java