Fix Honeybadger::Backend::Test.check_in

CHANGELOG.md

@@ -4,6 +4,8 @@ CHANGELOG](http://keepachangelog.com/) for how to update this file. This project
 adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
+### Fixed
+- `Honeybadger.check_in` would raise an exception when used with the test backend (#449)
 
 ## [5.0.1] - 2022-10-27
 ### Fixed

lib/honeybadger/backend/test.rb

@@ -39,6 +39,7 @@ def notify(feature, payload)
 
       def check_in(id)
         check_ins << id
+        super
       end
     end
   end

spec/unit/honeybadger/backend/test_spec.rb

@@ -39,5 +39,9 @@
     it "saves check_in for review" do
       expect { instance.check_in(10) }.to change { instance.check_ins }.from([]).to([10])
     end
+
+    it "should return a Honeybadger::Backend::Response" do
+      expect(instance.check_in(10)).to be_a Honeybadger::Backend::Response
+    end
   end
 end