Fastlane: Add a lane for tests

fastlane/Fastfile

@@ -79,6 +79,33 @@ platform :ios do
     )
   end
 
+  desc "Run tests"
+  lane :test do
+    xcodegen(spec: "project.yml")
+    cocoapods
+
+    opts = {
+      :clean => true,
+      :scheme => "Riot",
+      :workspace => "Riot.xcworkspace",
+      :configuration => "Debug",
+      :code_coverage => true,
+      # Test result configuration
+      :result_bundle => true,
+      :output_directory => "./build/test",
+      :open_report => !is_ci?
+    }
+    begin
+      scan(opts)
+    ensure
+      Dir.chdir("../#{opts[:output_directory]}") do
+        xcresult = "#{opts[:scheme]}.xcresult"
+        sh("zip", "-r", "#{xcresult}.zip", xcresult)
+      end
+    end
+  end
+
+  
   #### Private ####
 
   desc "Download App Store or Ad-Hoc provisioning profiles"