Add tests with LinearOperators.jl #1058

Job	Run time
break (JuliaSmoothOptimizers/CaNNOLeS.jl, latest)	4m 45s
break (JuliaSmoothOptimizers/CaNNOLeS.jl, stable)	4m 32s
break (JuliaSmoothOptimizers/DCISolver.jl, latest)	3m 55s
break (JuliaSmoothOptimizers/DCISolver.jl, stable)	4m 11s
break (JuliaSmoothOptimizers/FletcherPenaltySolver.jl, latest)	17m 56s
break (JuliaSmoothOptimizers/FletcherPenaltySolver.jl, stable)	17m 48s
break (JuliaSmoothOptimizers/JSOSolvers.jl, latest)	6m 36s
break (JuliaSmoothOptimizers/JSOSolvers.jl, stable)	6m 41s
break (JuliaSmoothOptimizers/LLSModels.jl, latest)	4m 50s
break (JuliaSmoothOptimizers/LLSModels.jl, stable)	5m 2s
break (JuliaSmoothOptimizers/Percival.jl, latest)	4m 57s
break (JuliaSmoothOptimizers/Percival.jl, stable)	4m 47s
break (JuliaSmoothOptimizers/RipQP.jl, latest)	8m 32s
break (JuliaSmoothOptimizers/RipQP.jl, stable)	7m 58s
break (SciML/LinearSolve.jl, latest)	14m 42s
break (SciML/LinearSolve.jl, stable)	15m 18s
upload	5s
	2h 12m 35s

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