Tests to be ported from MPB

[odow]

Issue ported from MathOptInterface: jump-dev/MathOptInterface.jl#23
Ported the unchecked tests. Some may have been completed, but not checked off.

linproginterface.jl

• 2 "Testing LP interface extra with $solver"
  • a "setconstrLB! and setcontrUB!"
  • b "setvarLB! and setvarUB!"

linprog.jl

• 1 "Testing linprog and subfunctions with $solver"
  • a "LP1"
  • b "LP2"

quadprog.jl

• 2 "Testing QP duals with $solver"
  • a "QP1"
  • b "QP2"

conicinterface.jl

• 5 "Testing EXP problems through conic interface with $solver"
  • a "EXP1"
  • b "EXP1A"
  • c "EXP2"
  • d "EXP3"

[blegat]

EXP1 and EXP1A added by #19

[blegat]

EXP2 added by #21

[blegat]

EXP3 added by #26