Check FBI LEDs on expose

[albireox]

Checks that the FBI LEDs are off in the prepare stage of the expose macro.

[codecov]

Codecov Report

Merging #7 (63e8aea) into main (2d7ca72) will decrease coverage by 0.3%.
The diff coverage is 0.0%.

@@           Coverage Diff           @@
##            main      #7     +/-   ##
=======================================
- Coverage   38.8%   38.6%   -0.2%     
=======================================
  Files         18      18             
  Lines       1351    1359      +8     
  Branches     306     307      +1     
=======================================
  Hits         524     524             
- Misses       770     778      +8     
  Partials      57      57             

Impacted Files	Coverage Δ
src/hal/macros/expose.py	15.6% <0.0%> (-1.0%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 752bfa4...63e8aea. Read the comment docs.