launch test servers from julia

[tanmaykm]

• launch test servers from julia
• add flags and depot path matching the test environment
• check http server port instead of sleep to detect server availability

[codecov-commenter]

Codecov Report

Merging #14 (3fe51e4) into main (bb3862e) will increase coverage by 7.87%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main      #14      +/-   ##
==========================================
+ Coverage   61.06%   68.93%   +7.87%     
==========================================
  Files           6        6              
  Lines         470      470              
==========================================
+ Hits          287      324      +37     
+ Misses        183      146      -37     

Impacted Files	Coverage Δ
src/server.jl	82.22% <0.00%> (+82.22%)	:arrow_up:

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more