Add new test to runtests

Author: AndiMD

test/runtests.jl

@@ -12,6 +12,7 @@ if GROUP == "All" || GROUP == "Interface"
     @time @safetestset "Poisson example" begin include("../examples/poisson.jl") end
     @time @safetestset "Heat equation example" begin include("../examples/heat_equation.jl") end
     @time @safetestset "Robin Boundary Condition Operators" begin include("robin.jl") end
+    @time @safetestset "Robin Boundary Condition Operators, Complex" begin include("robin_complex.jl") end
     @time @safetestset "JacVec Operators Interface" begin include("jacvec_operators.jl") end
     @time @safetestset "Composite Operators Interface" begin include("composite_operators_interface.jl") end
     @time @safetestset "BC and Coefficient Compositions" begin include("bc_coeff_compositions.jl") end