Adds CLI tests

[AndresPrez]

No description provided.

[codecov-commenter]

Codecov Report

Merging #140 (e6f44f7) into main (36c040a) will increase coverage by 71.42%.
The diff coverage is 87.85%.

@@            Coverage Diff            @@
##           main     #140       +/-   ##
=========================================
+ Coverage      0   71.42%   +71.42%     
=========================================
  Files         0       45       +45     
  Lines         0     1400     +1400     
  Branches      0       46       +46     
=========================================
+ Hits          0     1000     +1000     
- Misses        0      398      +398     
- Partials      0        2        +2     

Impacted Files	Coverage Δ
app/cli/src/handlers/manifest/generator.ts	88.46% <ø> (ø)
packages/plugins/src/types.ts	100.00% <ø> (ø)
app/cli/src/handlers/defaults/mod.ts	30.61% <33.33%> (ø)
app/cli/src/handlers/manifest/utils.ts	47.77% <50.00%> (ø)
packages/utils/src/mod.ts	43.28% <78.12%> (ø)
app/cli/src/handlers/plugins/default-parser.ts	92.30% <88.46%> (ø)
app/cli/src/handlers/defaults/utils.ts	72.27% <100.00%> (ø)
app/cli/src/handlers/plugins/handler/utils.ts	72.91% <100.00%> (ø)
app/cli/src/handlers/plugins/registry.ts	94.28% <100.00%> (ø)
app/cli/test/supports/mod.ts	100.00% <100.00%> (ø)
... and 48 more

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