Fix FactorGraph import test bug. (#280)

Author: Affie

test/LightFactorGraphsTests.jl

@@ -43,9 +43,9 @@ end
 @testset "LightDFGs.FactorGraphs" begin
 
 
-    @test isa(FactorGraph(), FactorGraph{Int64,AbstractDFGVariable,AbstractDFGFactor})
+    @test isa(FactorGraphs.FactorGraph(), FactorGraph{Int64,AbstractDFGVariable,AbstractDFGFactor})
 
-    fg = FactorGraph{Int, SkeletonDFGVariable, SkeletonDFGFactor}()
+    fg = FactorGraphs.FactorGraph{Int, SkeletonDFGVariable, SkeletonDFGFactor}()
 
     @test !FactorGraphs.is_directed(fg)
     @test !FactorGraphs.is_directed(FactorGraph{Int, SkeletonDFGVariable, SkeletonDFGFactor})

test/runtests.jl

@@ -41,6 +41,10 @@ struct TestCCW1{T} <: ConvolutionObject where {T<:FunctorInferenceType} end
     include("compareTests.jl")
 end
 
+@testset "Testing LightDFG.FactorGraphs functions" begin
+    include("LightFactorGraphsTests.jl")
+end
+
 # Test each interface
 apis = [
     LightDFG,
@@ -140,9 +144,6 @@ else
     @warn "Skipping IncrementalInference driver tests"
 end
 
-@testset "Testing LightDFG.FactorGraphs functions" begin
-    include("LightFactorGraphsTests.jl")
-end
 
 struct NotImplementedDFG <: AbstractDFG end