Merge branch 'fix_tests_help_link_2' into 'master'

fix failing test

This should fix:

```
Coverage report generated for RSpec to /home/gitlab-runner/tmp/builds/project-1/coverage. 4331 / 8315 LOC (52.09%) covered.
/home/gitlab-runner/lib/ruby/gems/2.1.0/gems/racc-1.4.10/lib/racc/parser.rb:532:in `on_error':  (Racc::ParseError)
parse error on value "Background" (BACKGROUND)
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/racc-1.4.10/lib/racc/parser.rb:264:in `_racc_do_parse_c'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/racc-1.4.10/lib/racc/parser.rb:264:in `do_parse'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/gherkin-ruby-0.3.1/lib/gherkin_ruby/parser/lexer.rb:31:in `scan_str'
	from gherkin.y:107:in `parse'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/gherkin-ruby-0.3.1/lib/gherkin_ruby.rb:8:in `parse'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/spinach-0.8.7/lib/spinach/parser.rb:39:in `parse'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/spinach-0.8.7/lib/spinach/runner.rb:75:in `block in run'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/spinach-0.8.7/lib/spinach/runner.rb:74:in `each'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/spinach-0.8.7/lib/spinach/runner.rb:74:in `run'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/spinach-0.8.7/lib/spinach/cli.rb:27:in `run'
	from /home/gitlab-runner/lib/ruby/gems/2.1.0/gems/spinach-0.8.7/bin/spinach:15:in `<top (required)>'
	from /home/gitlab-runner/bin/spinach:23:in `load'
	from /home/gitlab-runner/bin/spinach:23:in `<main>'
rake aborted!
```

Seems that I deleted a bit to much with my last attempt to remove the failing test.
I've run the entire spinach suite again locally and it seems to pass.

See merge request !516

features/dashboard/active_tab.feature

 @dashboard
+Feature: Dashboard Active Tab
   Background:
     Given I sign in as a user
 

features/steps/dashboard/active_tab.rb

+class Spinach::Features::DashboardActiveTab < Spinach::FeatureSteps
+  include SharedAuthentication
+  include SharedPaths
+  include SharedActiveTab
+
+end