feature/organize test imports

[Sanlovty]

Description of the Change

Swipe lines in testTemplate to organize imports in test flies

Benefits

No more warnings

Verification Process

Tests generated and verified with linter

Applicable Issues

Closes #53

[codecov-commenter]

Codecov Report

Merging #54 (93f5c34) into main (4e4cc97) will increase coverage by 2.26%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main      #54      +/-   ##
==========================================
+ Coverage   68.30%   70.56%   +2.26%     
==========================================
  Files          13       15       +2     
  Lines         489      564      +75     
==========================================
+ Hits          334      398      +64     
- Misses        155      166      +11     

Impacted Files	Coverage Δ
lib/src/data/test_template.dart	80.00% <ø> (+13.33%)	:arrow_up:
lib/src/dart_class_generator.dart	91.87% <0.00%> (-2.57%)	:arrow_down:
lib/src/constants.dart	50.00% <0.00%> (ø)
lib/src/subgroup_property.dart	100.00% <0.00%> (ø)
lib/src/asset_subgroup.dart	81.81% <0.00%> (ø)
lib/src/asset_group.dart	83.87% <0.00%> (+0.53%)	:arrow_up:
lib/spider.dart	40.62% <0.00%> (+0.94%)	:arrow_up:
lib/src/utils.dart	78.74% <0.00%> (+1.54%)	:arrow_up:

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[BirjuVachhani]

LGTM