test: add missing components unit test

[nogic1008]

No description provided.

[commit-lint]

Tests

• add Charts component test (c5465d0)
• add Level component test (f27803d)
• add SeriesList component test (8b4df94)

Code Refactoring

• remove unused function (3daae1d)

Chore

• deps: remove ajv package (8769f98)

Contributors

nogic1008

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[codecov]

Codecov Report

Merging #722 (2bbc012) into master (ce2caeb) will increase coverage by 18.79%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master     #722       +/-   ##
===========================================
+ Coverage   73.36%   92.15%   +18.79%     
===========================================
  Files          20       19        -1     
  Lines         413      408        -5     
  Branches       30       30               
===========================================
+ Hits          303      376       +73     
+ Misses        110       32       -78     

Impacted Files	Coverage Δ
components/content/Level.vue	100.00% <0.00%> (+100.00%)	⬆️
components/content/Charts.vue	100.00% <0.00%> (+100.00%)	⬆️
components/content/SeriesList.vue	100.00% <0.00%> (+100.00%)	⬆️

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