Enhancement - Charges Unit & Instrumented Test

[niyajali]

• Close Write Unit test for charges feature #1028
• Close Write UI/Instrumented test for charges feature #1029

[github-actions]

Combined test coverage report

Overall Project	24.29% -0.09%	❌
Files changed	70.85%	🍏

Module	Coverage
charges	74.06% -3.34%	🍏
ui	0.5% -0.06%	❌
common	0% -0.05%	❌

Files

Module	File	Coverage
charges	AddEditChargesState.kt	100%	🍏
	AddEditChargesEvent.kt	100%	🍏
	ChargesSettingsEvent.kt	100%	🍏
	ChargesSettingsViewModel.kt	92.62%	🍏
	AddEditChargesViewModel.kt	91.09% -0.18%	🍏
	ChargesViewModel.kt	88.95%	🍏
	AddEditChargesScreen.kt	85.48% -0.18%	🍏
	ChargesScreen.kt	79.52% -0.44%	🍏
	ChargesExportScreen.kt	74.01% -1.29%	🍏
	ChargesSettingsScreen.kt	72.6%	🍏
	ChargesImportScreen.kt	65.17% -5.08%	🍏
	ChargesData.kt	61.52% -24.58%	❌
ui	StandardElevatedCard.kt	0% -6.67%	❌
	ChargesPreviewParameterProvider.kt	0% -1.69%	❌
common	Extensions.kt	0% -0.07%	❌