SCORM 2004 cmi.interactions.n.learner_response was never being set

src/cmi/scorm2004_cmi.js

@@ -936,6 +936,8 @@ export class CMIInteractionsObject extends BaseCMI {
         } else {
           throw new ValidationError(scorm2004_error_codes.GENERAL_SET_FAILURE);
         }
+
+        this.#learner_response = learner_response;
       } else {
         throw new ValidationError(scorm2004_error_codes.TYPE_MISMATCH);
       }

test/Scorm2004API.spec.js

@@ -341,6 +341,15 @@ describe('SCORM 2004 API Tests', () => {
             expect(
                 String(scorm2004API.lmsGetLastError())
             ).to.equal(String(0));
+            expect(
+                scorm2004API.getCMIValue('cmi.interactions.0.id')
+            ).to.equal('Scene1_Slide3_MultiChoice_0_0');
+            expect(
+                scorm2004API.getCMIValue('cmi.interactions.0.type')
+            ).to.equal('choice');
+            expect(
+                scorm2004API.getCMIValue('cmi.interactions.0.learner_response')
+            ).to.equal('VP_on-call_or_President');
           });
     });