test: mock api calls and test functionality calling an API

[AlexD10S]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 68.06723% with 38 lines in your changes are missing coverage. Please review.

Project coverage is 49.69%. Comparing base (681e6ed) to head (b2623d2).

@@            Coverage Diff             @@
##             main     #164      +/-   ##
==========================================
+ Coverage   48.43%   49.69%   +1.26%     
==========================================
  Files          32       32              
  Lines        2707     2785      +78     
  Branches     2707     2785      +78     
==========================================
+ Hits         1311     1384      +73     
+ Misses       1194     1182      -12     
- Partials      202      219      +17     

Files	Coverage Δ
crates/pop-parachains/src/up.rs	69.90% <50.00%> (-0.15%)	⬇️
crates/pop-cli/src/commands/new/parachain.rs	44.75% <0.00%> (-2.31%)	⬇️
crates/pop-parachains/src/utils/git.rs	59.40% <78.43%> (+17.38%)	⬆️