fix dot tests i just broke

Author: Affie

test/consolInterfaceDev.jl

@@ -163,6 +163,8 @@ end
 end
 
 @testset "Producing Dot Files" begin
+    fg = testDFGAPI()
+    clearUser!!(fg)
     ProducingDotFiles(testDFGAPI, var1, var2, fac1)
 end
 #

test/testBlocks.jl

@@ -1166,15 +1166,25 @@ function  Summaries(testDFGAPI)
 end
 
 function ProducingDotFiles(testDFGAPI,
-                           v1 = VARTYPE(:a, VariableNodeData{TestSofttype1}()),
-                           v2 = VARTYPE(:b, VariableNodeData{TestSofttype1}()),
-                           f1 = (FACTYPE==DFGFactor) ? DFGFactor{Int, :Symbol}(:abf1) : FACTYPE(:abf1);
+                           v1 = nothing,
+                           v2 = nothing,
+                           f1 = nothing;
                            VARTYPE=DFGVariable,
                            FACTYPE=DFGFactor)
     # "Producing Dot Files"
     # create a simpler graph for dot testing
     dotdfg = testDFGAPI()
 
+    if v1 == nothing
+        v1 = VARTYPE(:a, VariableNodeData{TestSofttype1}())
+    end
+    if v2 == nothing
+        v2 = VARTYPE(:b, VariableNodeData{TestSofttype1}())
+    end
+    if f1 == nothing
+        f1 = (FACTYPE==DFGFactor) ? DFGFactor{Int, :Symbol}(:abf1) : FACTYPE(:abf1)
+    end
+
     addVariable!(dotdfg, v1)
     addVariable!(dotdfg, v2)
     addFactor!(dotdfg, [v1, v2], f1)