fix #419

Author: Affie

test/testBlocks.jl

@@ -1190,7 +1190,10 @@ function ProducingDotFiles(testDFGAPI,
     addFactor!(dotdfg, [v1, v2], f1)
     #NOTE hardcoded toDot will have different results so test LightGraphs seperately
     if testDFGAPI <: LightDFG || testDFGAPI <: CloudGraphsDFG
-        @test toDot(dotdfg) == "graph G {\na [color=red, shape=ellipse];\nb [color=red, shape=ellipse];\nabf1 [color=blue, shape=box];\na -- abf1\nb -- abf1\n}\n"
+        todotstr = toDot(dotdfg)
+        todota = todotstr == "graph G {\na [color=red, shape=ellipse];\nb [color=red, shape=ellipse];\nabf1 [color=blue, shape=box];\na -- abf1\nb -- abf1\n}\n"
+        todotb = todotstr == "graph G {\na [color=red, shape=ellipse];\nb [color=red, shape=ellipse];\nabf1 [color=blue, shape=box];\nb -- abf1\na -- abf1\n}\n"
+        @test (todota || todotb)
     else
         @test toDot(dotdfg) == "graph graphname {\n2 [\"label\"=\"b\",\"shape\"=\"ellipse\",\"fillcolor\"=\"red\",\"color\"=\"red\"]\n2 -- 3\n3 [\"label\"=\"abf1\",\"shape\"=\"box\",\"fillcolor\"=\"blue\",\"color\"=\"blue\"]\n1 [\"label\"=\"a\",\"shape\"=\"ellipse\",\"fillcolor\"=\"red\",\"color\"=\"red\"]\n1 -- 3\n}\n"
     end