does it works now?

unit_tests/Test_Graphs.g

@@ -68,21 +68,22 @@ if IsPackageMarkedForLoading( "Digraphs", ">=1.9.0" ) then
 		local dig, surface, list1, list2;
 		surface:=SimplicialSurfaceByVerticesInFaces([[1,4,5],[1,4,6],[1,5,7],[1,6,7],[2,3,5],[2,3,6],[2,4,5],[2,4,6],[3,5,7],[3,6,7]]);
 		dig:=FaceDigraphsGraph(surface);
-		list1:=AllSimplicialSurfacesOfDigraph(dig,true);
-		Assert(0,Length(list1)=1);
-		Assert(0,IsIsomorphic(list1[1],surface));
 
 		list2:=AllSimplicialSurfacesOfDigraph(dig);
 		Assert(0, Length(Filtered(list2,IsVertexFaithful))=1);
 		Assert(0,IsIsomorphic(Filtered(list2,IsVertexFaithful)[1],surface));
 		Assert(0,Length(list2)=11);
 
+		list1:=AllSimplicialSurfacesOfDigraph(dig,true);
+                Assert(0,Length(list1)=1);
+                Assert(0,IsIsomorphic(list1[1],surface));
+
 		dig:=DigraphByEdges([ [ 1, 2 ], [ 1, 4 ], [ 1, 5 ], [ 2, 1 ], [ 2, 3 ], [ 2, 6 ], [ 3, 2 ], [ 3, 4 ], [ 3, 5 ], [ 4, 1 ], [ 4, 3 ], 
 					[ 4, 6 ], [ 5, 1 ],[ 5, 3 ], [ 5, 6 ], [ 6, 2 ], [ 6, 4 ], [ 6, 5 ] ]);
-		list1:=AllSimplicialSurfacesOfDigraph(dig,true);
-		list2:=AllSimplicialSurfacesOfDigraph(dig,false);
-		Assert(0,Length(list1)=0);
-		Assert(0,Length(list2)=2);
+		list1:=AllSimplicialSurfacesOfDigraph(dig,false);
+		list2:=AllSimplicialSurfacesOfDigraph(dig,true);
+		Assert(0,Length(list1)=2);
+		Assert(0,Length(list2)=0);
 
 		#One of the smallest face graph with more than one vertex-faithful surface
 		dig:=DigraphByEdges([ [ 1, 9 ], [ 9, 1 ], [ 1, 13 ], [ 13, 1 ], [ 1, 14 ], [ 14, 1 ], [ 2, 6 ], [ 6, 2 ], [ 2, 7 ], [ 7, 2 ], [ 2, 10 ], 

unit_tests/test_main.g

@@ -61,9 +61,9 @@ BindGlobal( "SIMPLICIAL_TestAll", function()
     __SIMPLICIAL_Test_EdgeNautyGraph();
     __SIMPLICIAL_Test_FaceDigraphsGraph();
     __SIMPLICIAL_Test_FaceNautyGraph();
-    #if IsPackageMarkedForLoading( "Digraphs", ">=1.9.0" ) then
-    #    __SIMPLICIAL_Test_AllSimplicialSurfacesOfDigraph();
-    #fi;
+    if IsPackageMarkedForLoading( "Digraphs", ">=1.9.0" ) then
+        __SIMPLICIAL_Test_AllSimplicialSurfacesOfDigraph();
+    fi;
 
     __SIMPLICIAL_Test_FaceTwoColouring();