WIP: fix some slow oracles and failing instances

[chriscoey]

No description provided.

[codecov]

Codecov Report

Merging #667 (355a749) into master (49e0cdb) will decrease coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #667      +/-   ##
==========================================
- Coverage   96.25%   96.22%   -0.04%     
==========================================
  Files          48       48              
  Lines        7402     7308      -94     
==========================================
- Hits         7125     7032      -93     
+ Misses        277      276       -1     

Impacted Files	Coverage Δ
src/MathOptInterface/cones.jl	98.66% <ø> (-0.15%)	⬇️
src/Cones/Cones.jl	90.87% <100.00%> (-2.44%)	⬇️
src/Cones/epinorminf.jl	98.58% <100.00%> (+0.11%)	⬆️
src/Cones/epiperentropy.jl	98.29% <100.00%> (ø)
src/Cones/epirelentropy.jl	99.59% <100.00%> (+0.01%)	⬆️
src/Solvers/search.jl	100.00% <100.00%> (ø)
src/Cones/wsosinterpepinormone.jl	96.12% <0.00%> (-0.97%)	⬇️
src/Solvers/systemsolvers/qrchol.jl	96.50% <0.00%> (+2.79%)	⬆️

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