Gitlab test cases are failed on ppc64le ( rake teaspoon)

HI,

I have install Gitlab on ppc64le machine with Ubuntu16.04 and Rhel7.2 successfully but while I gave the command
“rake brakeman” it works but for “rake test” or “rake test-ci” or “rake teaspoon” it failed and gave a error as follows

Teaspoon running default suite at http://127.0.0.1:52027/teaspoon/default
Failed to load: http://127.0.0.1:52027/teaspoon/default?reporter=Console
rake teaspoon failed