Problem running rake ext_func_test

gistfile1.txt

[root@ip-10-202-150-116 node]# rake ext_func_test
/opt/rh/ruby193/root/usr/bin/ruby -I"lib:/root/openshift-test/common/lib" -I"/opt/rh/ruby193/root/usr/share/ruby" "/opt/rh/ruby193/root/usr/share/ruby/rake/rake_test_loader.rb" "test/unit/*_test.rb" "["test/functional/scaling_func_test.rb"]"
Coverage report generated for node tests to /root/openshift-test/node/test/coverage/. 1091 / 4922 LOC (22.17%) covered.
/opt/rh/ruby193/root/usr/share/rubygems/rubygems/custom_require.rb:36:in `require': cannot load such file -- /root/openshift-test/node/[test/functional/scaling_func_test.rb] (LoadError)
  from /opt/rh/ruby193/root/usr/share/rubygems/rubygems/custom_require.rb:36:in `require'
	from /opt/rh/ruby193/root/usr/share/ruby/rake/rake_test_loader.rb:15:in `block in <main>'
	from /opt/rh/ruby193/root/usr/share/ruby/rake/rake_test_loader.rb:4:in `select'
	from /opt/rh/ruby193/root/usr/share/ruby/rake/rake_test_loader.rb:4:in `<main>'
rake aborted!
Command failed with status (1): [/opt/rh/ruby193/root/usr/bin/ruby -I"lib:/...]

Tasks: TOP => ext_func_test
(See full trace by running task with --trace)