Final changes to config sub-system (#8600)

- Introduces changes such as certain types of
  errors that can be ignored or which need to 
  go into safe mode.
- Update help text as per the review

cmd/test-utils_test.go

@@ -76,6 +76,7 @@ func init() {
 
 	logger.Disable = true
 
+	initHelp()
 	// Uncomment the following line to see trace logs during unit tests.
 	// logger.AddTarget(console.New())
 }