tests: consolidate sync and async variations of MsSql integration tests

[nr-ahemsath]

To help reduce execution time of the MsSql integration tests, this PR combines the sync and async versions of tests. A few overall points to note:

• Sql traces are kept based on the SqlId which is based on the command/statement text. In order to get traces for both sync and async operations, a different table name is used for some sync vs. async operations, and the SELECT command text is altered (query by first vs last name) for the operations against the pre-existing teammembers table
• Some assertions are varied depending on whether the sync or async transaction was sampled
• An unused web-based test application was deleted
• Some repeated constants of SQL text in the exercisers were refactored into a base class

[codecov-commenter]

Codecov Report

Merging #2095 (029f796) into main (ddee81d) will decrease coverage by 0.03%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2095      +/-   ##
==========================================
- Coverage   81.10%   81.07%   -0.03%     
==========================================
  Files         395      395              
  Lines       24711    24711              
  Branches     2969     2969              
==========================================
- Hits        20041    20034       -7     
- Misses       3886     3891       +5     
- Partials      784      786       +2     

see 1 file with indirect coverage changes

[nrcventura]

Looks like a nice time savings of 8 minutes!