fixing tests

Author: dehann

src/entities/DFGFactor.jl

@@ -61,10 +61,10 @@ end
 # GenericFunctionNodeData{T}() where T =
 #     GenericFunctionNodeData{T}(false, false, Int[], T(), Float64[], Int[], 0, 0)
 
-function GenericFunctionNodeData(   eliminated::Bool,
-                                    potentialused::Bool,
-                                    edgeIDs::Vector{Int},
-                                    fnc::T,
+function GenericFunctionNodeData(   eliminated::Bool=false,
+                                    potentialused::Bool=false,
+                                    edgeIDs::Vector{Int}=Int[],
+                                    fnc::T=T(),
                                     multihypo::Vector{<:Real}=Float64[],
                                     certainhypo::Vector{Int}=Int[],
                                     nullhypo::Real=0,