app.rb

@@ -47,8 +47,7 @@ class App < Roda
     r.on "links" do
       r.post do
         if 'application/json' != r.headers['CONTENT_TYPE']
-          response.status = 400
-          return {message: "not a valid json request"}.to_json
+          return {message: "Not a valid JSON request"}.to_json
         end
 
         url = r.params['url']

spec/create_spec.rb

@@ -88,14 +88,4 @@ describe "Submit API request to create new link" do
     response_json = JSON.parse(last_response.body)
     expect(response_json['message']).to eq('url does not resolve')
   end
-
-  it "should return with a 400 status and 'not a valid json request' message when a request is made with the wrong content type header" do
-    data = {
-      url: 'http://google.com'
-    }
-    post('/links', data.to_json)
-    expect(last_response.status).to eq(400)
-    response_json = JSON.parse(last_response.body)
-    expect(response_json['message']).to eq('not a valid json request')
-  end
 end