Add equivalence test DRS/DRLS

[lostella]

No description provided.

[codecov]

Codecov Report

Merging #46 (271e93d) into master (069de90) will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #46      +/-   ##
==========================================
+ Coverage   87.05%   87.15%   +0.10%     
==========================================
  Files          17       18       +1     
  Lines         834      841       +7     
==========================================
+ Hits          726      733       +7     
  Misses        108      108              

Impacted Files	Coverage Δ
src/ProximalAlgorithms.jl	100.00% <ø> (ø)
src/accel/noaccel.jl	100.00% <100.00%> (ø)
src/algorithms/drls.jl	92.85% <100.00%> (ø)
src/utilities/fbetools.jl	100.00% <0.00%> (ø)

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