Cache tests and Change Function

[pbulsink]

This will improve coverage of cache scenarios for FastF1 functions (through load_race_session)

[codecov[bot]]

Codecov Report

Merging #171 (8628de6) into master (d2bd3cb) will increase coverage by 0.34%. The diff coverage is 40.00%.

:exclamation: Current head 8628de6 differs from pull request most recent head 409c49d. Consider uploading reports for the commit 409c49d to get more accurate results

@@            Coverage Diff             @@
##           master     #171      +/-   ##
==========================================
+ Coverage   93.27%   93.62%   +0.34%     
==========================================
  Files          18       18              
  Lines         610      612       +2     
==========================================
+ Hits          569      573       +4     
+ Misses         41       39       -2     

Files Changed	Coverage Δ
R/zzz.R	36.84% <25.00%> (-13.16%)	:arrow_down:
R/load_driver_telemetry.R	94.23% <100.00%> (+5.99%)	:arrow_up:

... and 1 file with indirect coverage changes

[pbulsink]

Pending discussion in #170 I may or may not add more commits @SCasanova