fix spec

Author: Laurent Cobos

spec/rspec/rails/fixture_file_upload_support_spec.rb

@@ -20,7 +20,7 @@ module RSpec::Rails
       before { RSpec.configuration.fixture_path = nil }
 
       it 'resolves fixture with relative path' do
-        expect(fixture_file_upload_resolved('fixture_file_upload_support_spec.rb').run).to be true
+        expect(fixture_file_upload_resolved('spec/rspec/rails/fixture_file_upload_support_spec.rb').run).to be true
       end
     end