Add metadata field to results_config response (#396)

* Add metadata field to results_config response

* adjust tests

* Remove internal types

Author: vladconstructor

spec/src/modules/quizzes.js

@@ -548,6 +548,7 @@ describe(`ConstructorIO - Quizzes${bundledDescriptionSuffix}`, () => {
         expect(res).to.have.property('quiz_version_id').to.be.an('string');
         expect(res).to.have.property('quiz_id').to.be.an('string');
         expect(res).to.have.property('results_config').to.be.an('object');
+        expect(res).to.have.property('metadata').to.be.an('object');
       });
     });
 
@@ -564,6 +565,7 @@ describe(`ConstructorIO - Quizzes${bundledDescriptionSuffix}`, () => {
           const requestedUrlParams = helpers.extractUrlParamsFromFetch(fetchSpy);
 
           expect(res).to.have.property('results_config').to.be.an('object');
+          expect(res).to.have.property('metadata').to.be.an('object');
           expect(res).to.have.property('quiz_version_id').to.be.an('string').to.equal(quizVersionId);
           expect(res).to.have.property('quiz_id').to.be.an('string');
           expect(fetchSpy).to.have.been.called;

src/types/quizzes.d.ts

@@ -123,6 +123,7 @@ export interface BaseQuestion extends Record<string, any> {
   description: string;
   cta_text: Nullable<string>;
   images?: Nullable<QuestionImages>;
+  is_skippable: Boolean;
 }
 
 export interface FilterValueQuestion extends BaseQuestion {
@@ -188,6 +189,7 @@ export interface QuizResultsConfig extends Record<string, any> {
 }
 
 export interface QuizResultsConfigResponse extends Record<string, any> {
+  metadata: Nullable<object>,
   results_config: QuizResultsConfig,
   quiz_version_id: string;
   quiz_id: string;