WIP: Add unit test for template literal concatenation (Issue #4148) #4257
  Add this suggestion to a batch that can be applied as a single commit.
  This suggestion is invalid because no changes were made to the code.
  Suggestions cannot be applied while the pull request is closed.
  Suggestions cannot be applied while viewing a subset of changes.
  Only one suggestion per line can be applied in a batch.
  Add this suggestion to a batch that can be applied as a single commit.
  Applying suggestions on deleted lines is not supported.
  You must change the existing code in this line in order to create a valid suggestion.
  Outdated suggestions cannot be applied.
  This suggestion has been applied or marked resolved.
  Suggestions cannot be applied from pending reviews.
  Suggestions cannot be applied on multi-line comments.
  Suggestions cannot be applied while the pull request is queued to merge.
  Suggestion cannot be applied right now. Please check back later.
  
    
  
    
This draft PR starts addressing Issue #4148 (Concatenated template literals are not merged in ADVANCED mode).
What’s in this draft:
+should be merged into a single template literal.Next steps (planned):
- string + template literal (with any order)
- string + string (already working)
- template literal + template literal (template literal can include referenced variable or valid HTML)
Opening early for review to validate direction before proceeding.