feat: add SplineInterpolation test

[shulanbushangshu]

Description

add SplineInterpolation test

Tests performed

unit test

Effects on system behavior

Add test in the common/interpolation/test/src/test_spline_interpolation.cpp.
There is no effect on the function.

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[takayuki5168]

@shulanbushangshu Could you replace "Not applicable." with the proper comment in the PR description.

[shulanbushangshu]

Add test in the common/interpolation/test/src/test_spline_interpolation.cpp.
There is no effect on the function. We will transplant correlation functions of common to autoware_common.

[codecov]

Codecov Report

Attention: 2723 lines in your changes are missing coverage. Please review.

Comparison is base (765a596) 15.32% compared to head (b159850) 15.22%.
Report is 105 commits behind head on main.

Files	Patch %	Lines
...s/drivable_area_expansion/static_drivable_area.cpp	13.19%	597 Missing and 87 partials ⚠️
...anner/src/utils/avoidance/shift_line_generator.cpp	13.28%	431 Missing and 65 partials ⚠️
...ehavior_path_planner/src/utils/avoidance/utils.cpp	3.90%	187 Missing and 10 partials ⚠️
.../scene_module/goal_planner/goal_planner_module.cpp	0.56%	175 Missing and 2 partials ⚠️
...dation/src/obstacle_pointcloud_based_validator.cpp	0.00%	142 Missing ⚠️
...er/src/scene_module/avoidance/avoidance_module.cpp	10.56%	110 Missing and 17 partials ⚠️
...ner/src/utils/path_safety_checker/safety_check.cpp	3.66%	104 Missing and 1 partial ⚠️
planning/behavior_path_planner/src/utils/utils.cpp	26.92%	57 Missing and 19 partials ⚠️
..._path_planner/src/marker_utils/avoidance/debug.cpp	0.00%	61 Missing ⚠️
...ule/dynamic_avoidance/dynamic_avoidance_module.cpp	1.69%	58 Missing ⚠️
... and 45 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4617      +/-   ##
==========================================
- Coverage   15.32%   15.22%   -0.10%     
==========================================
  Files        1721     1728       +7     
  Lines      118559   123565    +5006     
  Branches    37995    40067    +2072     
==========================================
+ Hits        18169    18815     +646     
- Misses      79657    83753    +4096     
- Partials    20733    20997     +264     

Flag	Coverage Δ		*Carryforward flag
differential	17.44% <10.78%> (?)
total	14.90% <7.31%> (-0.42%)	⬇️	Carriedforward from ebd6fbe

*This pull request uses carry forward flags. Click here to find out more.

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