Expand QA spec file paths to allow running bin/qa from anywhere

qa/qa/scenario/test/instance.rb

@@ -22,7 +22,12 @@ module QA
           Specs::Runner.perform do |specs|
             specs.tty = true
             specs.tags = self.class.focus
-            specs.files = files.any? ? files : 'qa/specs/features'
+            specs.files =
+              if files.any?
+                files
+              else
+                File.expand_path('../../specs/features', __dir__)
+              end
           end
         end
       end

qa/qa/specs/runner.rb

@@ -8,7 +8,7 @@ module QA
       def initialize
         @tty = false
         @tags = []
-        @files = ['qa/specs/features']
+        @files = [File.expand_path('./features', __dir__)]
       end
 
       def perform

qa/spec/scenario/test/instance_spec.rb

@@ -29,7 +29,8 @@ describe QA::Scenario::Test::Instance do
       it 'should call runner with default arguments' do
         subject.perform("test")
 
-        expect(runner).to have_received(:files=).with('qa/specs/features')
+        expect(runner).to have_received(:files=)
+          .with(File.expand_path('../../../qa/specs/features', __dir__))
       end
     end