Add test for toHttp FromASCIIString

[amitksingh1490]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1176 (16b4a40) into zio-series/2.x (9d2da98) will increase coverage by 0.09%.
The diff coverage is 100.00%.

@@                Coverage Diff                 @@
##           zio-series/2.x    #1176      +/-   ##
==================================================
+ Coverage           58.31%   58.41%   +0.09%     
==================================================
  Files                  74       74              
  Lines                2464     2465       +1     
  Branches               77       73       -4     
==================================================
+ Hits                 1437     1440       +3     
+ Misses               1027     1025       -2     

Impacted Files	Coverage Δ
zio-http/src/main/scala/zhttp/http/HttpData.scala	73.33% <100.00%> (+3.84%)	⬆️

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