updated TCs (#153)

### To be filled by the PR creator:

* A brief description of the changes made - 

* Do we have clean latest run report (Docker or Browserstack) attached
with this PR?
  * [ ] Yes
  * [ ] No (Please explain why)

* Does the PR contain changes to any core file?
  * [ ] Yes (Needs approval from at least 1 people)
  * [ ] No

* Is it
  * [ ] New Testcase
  * [ ] Fix


### To be filled by the PR reviewer:

* [ ] Verify the attached run report passed in GitHub Actions (Docker or
Browserstack run)

* General
    * [ ] Use the best strategy to locate the elements
    * [ ] Comments wherever the code is not readable by itself
    * [ ] Use of the right data structure for the use case
    * [ ] Reuse logic/functionality as much as possible
    * [ ] Cleanup of any test data that is generated by the tests
    * [ ] No static waits

.github/workflows/LT_ui_workflow.yml

@@ -57,7 +57,7 @@ jobs:
   web-scheduled-regression:
     if: github.event_name == 'schedule'
     strategy:
-      max-parallel: 3
+      max-parallel: 1
       fail-fast: false
       matrix:
         include: