Add top-level rake task

.appveyor.yml

@@ -36,7 +36,7 @@ install:
   - bash ./scripts/ci-install
 
 test_script:
-  - bash ./scripts/ci-test
+  - rake
 
 notifications:
   - provider: Slack

.travis.yml

@@ -41,7 +41,7 @@ install:
   - ./scripts/ci-install
 
 script:
-  - ./scripts/ci-test
+  - rake
 
 notifications:
   slack:

Rakefile

@@ -0,0 +1,11 @@
+task :test do
+  cd "ruby" do
+    sh "bundle exec rake"
+  end
+
+  examples = ENV["EXAMPLES"] || "calculator console membership turbo_blank"
+
+  sh "./examples/runner default #{examples}"
+end
+
+task :default => :test

scripts/ci-test

@@ -1,12 +0,0 @@
-#!/bin/bash
-
-set -x
-set -e
-
-DIR=$(dirname "${BASH_SOURCE[0]}")/..
-
-pushd "$DIR/ruby"
-bundle exec rake
-popd
-
-$DIR/examples/runner default $EXAMPLES