Tweaks

Global Gemfile for tests. Gemfile in the function for use in tests.

Hat tip to lauratpa and her PR aws#860 which is the core of this part of
the change set.

samcli/local/init/templates/cookiecutter-aws-sam-hello-ruby/{{cookiecutter.project_name}}/Gemfile

@@ -0,0 +1,8 @@
+source "https://rubygems.org"
+
+gem "httparty"
+
+group :test do
+  gem "test-unit"
+  gem "mocha"
+end

samcli/local/init/templates/cookiecutter-aws-sam-hello-ruby/{{cookiecutter.project_name}}/hello_world/Gemfile

@@ -1,8 +1,3 @@
 source "https://rubygems.org"
 
 gem "httparty"
-
-group :test do
-  gem "test-unit"
-  gem "mocha"
-end

samcli/local/init/templates/cookiecutter-aws-sam-hello-ruby/{{cookiecutter.project_name}}/tests/unit/test_handler.rb

@@ -77,6 +77,16 @@ def mock_response
     end
   end
 
+  def expected_result
+    {
+      statusCode: 200,
+      body: {
+        message: 'Hello World!',
+        location: '1.1.1.1'
+      }.to_json
+    }
+  end
+
   def test_lambda_handler
     HTTParty.expects(:get).with('http://checkip.amazonaws.com/').returns(mock_response)
     assert_equal(lambda_handler(event: event, context: ''), expected_result)