fix tests

Author: mohdibntarek

src/aggregation.jl

@@ -5,7 +5,7 @@ function smoothed_aggregation(A::SparseMatrixCSC{T,V}, ::Type{Val{bs}}=Val{1},
                         smooth = JacobiProlongation(4.0/3.0),
                         presmoother = GaussSeidel(),
                         postsmoother = GaussSeidel(),
-                        improve_candidates = GaussSeidel(4),
+                        improve_candidates = GaussSeidel(iter=4),
                         max_levels = 10,
                         max_coarse = 10,
                         diagonal_dominance = false,

src/multilevel.jl

@@ -137,7 +137,6 @@ Keyword Arguments
 function solve(ml::MultiLevel, b::AbstractArray, args...; kwargs...)
     n = length(ml) == 1 ? size(ml.final_A, 1) : size(ml.levels[1].A, 1) 
     V = promote_type(eltype(ml.workspace), eltype(b))
-    ndims(b) == blocksize(ml.workspace) && throw("Dimension of MultiLevel workspace and dimension of vector b must be equal.")
     x = zeros(V, size(b))
     return solve!(x, ml, b, args...; kwargs...)
 end