Update question visibility

Author: ChrisHowd

learn-pr/wwl-azure/develop-unit-tests-using-github-copilot-tools/7-knowledge-check.yml

@@ -2,6 +2,7 @@
 uid: learn.wwl.develop-unit-tests-using-github-copilot-tools.knowledge-check
 title: Module assessment
 metadata:
+  hidden_question_numbers: ["170CED1A_10","170CED1A_14","170CED1A_2","170CED1A_26","170CED1A_6","170CED1A_51","170CED1A_55","170CED1A_59","170CED1A_63","170CED1A_67","170CED1A_83"]
   ai_generated_module_assessment: true
   title: Module assessment
   description: "Knowledge check"