Add endpoint for feedback from Eu exit bus. finder

We want to collect feedback on what's missing from
the EU exit business finder.

The commit adds support for posting feedback to the
support-api.

lib/gds_api/support_api.rb

@@ -47,6 +47,10 @@ def problem_report_daily_totals_for(date)
     get_json("#{endpoint}/anonymous-feedback/problem-reports/#{date_string}/totals")
   end
 
+  def create_business_finder_feedback(params)
+    post_json("#{endpoint}/anonymous-feedback/business-finder", params)
+  end
+
   def anonymous_feedback(options = {})
     uri = "#{endpoint}/anonymous-feedback" + query_string(options)
     get_json(uri)

lib/gds_api/test_helpers/support_api.rb

@@ -48,6 +48,12 @@ def stub_support_api_create_page_improvement(params)
         post_stub.to_return(status: 201)
       end
 
+      def stub_support_api_create_business_finder_feedback(params)
+        post_stub = stub_http_request(:post, "#{SUPPORT_API_ENDPOINT}/anonymous-feedback/business-finder")
+        post_stub.with(body: params)
+        post_stub.to_return(status: 201)
+      end
+
       def stub_support_api_problem_report_daily_totals_for(date, expected_results = nil)
         date_string = date.strftime("%Y-%m-%d")
         get_stub = stub_http_request(:get, "#{SUPPORT_API_ENDPOINT}/anonymous-feedback/problem-reports/#{date_string}/totals")

test/support_api_test.rb

@@ -40,6 +40,15 @@
     assert_requested(stub_post)
   end
 
+  it 'can submit anonymous-contact/business-finder' do
+    request_details = { description: 'something is missing' }
+    stub_post = stub_support_api_create_business_finder_feedback(request_details)
+
+    @api.create_business_finder_feedback(request_details)
+
+    assert_requested(stub_post)
+  end
+
   it "fetches problem report daily totals" do
     response_body = { "data" => ["results"] }
     request_date = Date.new(2014, 7, 12)