building wflow-directory error

hi there i am having following error when building to wflow-app folder. please suggest me a solution

Tests in error:

  testDeletion(org.joget.directory.model.service.TestDirectoryManager)

  testOrganizationChart(org.joget.directory.model.service.TestDirectoryManager)

  testUsersAndGroups(org.joget.directory.model.service.TestDirectoryManager)

Tests run: 3, Failures: 0, Errors: 3, Skipped: 0

[INFO] ------------------------------------------------------------------------

[INFO] Reactor Summary:

[INFO]

[INFO] wflow-jdbc ......................................... SUCCESS [  1.630 s]

[INFO] wflow-commons ...................................... SUCCESS [  0.609 s]

[INFO] wflow-plugin-base .................................. SUCCESS [  3.988 s]

[INFO] wflow-plugin-archetype ............................. SUCCESS [  0.865 s]

[INFO] wflow-directory .................................... FAILURE [ 12.797 s]

[INFO] wflow-wfengine ..................................... SKIPPED

[INFO] wflow-core ......................................... SKIPPED

[INFO] wflow-consoleweb ................................... SKIPPED

[INFO] wflow-designer ..................................... SKIPPED

[INFO] wflow-designerweb .................................. SKIPPED

[INFO] wflow-app .......................................... SKIPPED

[INFO] ------------------------------------------------------------------------

[INFO] BUILD FAILURE

[INFO] ------------------------------------------------------------------------

[INFO] Total time: 20.514 s

[INFO] Finished at: 2014-12-24T07:51:30+05:00

[INFO] Final Memory: 15M/175M

[INFO] ------------------------------------------------------------------------

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.

4.3:test (default-test) on project wflow-directory: There are test failures.

[ERROR]

[ERROR] Please refer to F:\backup\jw-community-4.0-SNAPSHOT\wflow-directory\targ

et\surefire-reports for the individual test results.

[ERROR] -> [Help 1]

[ERROR]

[ERROR] To see the full stack trace of the errors, re-run Maven with the -e swit

ch.

[ERROR] Re-run Maven using the -X switch to enable full debug logging.

[ERROR]

[ERROR] For more information about the errors and possible solutions, please rea

d the following articles:

[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureExc

eption

[ERROR]

[ERROR] After correcting the problems, you can resume the build with the command

[ERROR]   mvn <goals> -rf :wflow-directory

F:\backup\jw-community-4.0-SNAPSHOT\wflow-app>clks

'clks' is not recognized as an internal or external command,

operable program or batch file.