diff --git a/tests/test_cfg/snapshots/funcs_only.gv b/tests/test_cfg/snapshots/funcs_only.gv
index b961f6626..d06dd7bba 100644
--- a/tests/test_cfg/snapshots/funcs_only.gv
+++ b/tests/test_cfg/snapshots/funcs_only.gv
@@ -2,29 +2,29 @@ digraph funcs_only {
 	node [fontname="Courier New" shape=box]
 	subgraph cluster_0 {
 		cluster_0_0 [label="self\l" fillcolor=white style=filled]
-		cluster_0_0 -> cluster_0_2
+		cluster_0_0 -> cluster_0_2 [color=black]
 		cluster_0_2 [label="print('method')\l" fillcolor=white style=filled]
-		cluster_0_2 -> cluster_0_1
+		cluster_0_2 -> cluster_0_1 [color=black]
 		cluster_0_1 [label="\l" fillcolor=black style=filled]
 		fontname="Courier New" label="MyClass.foo"
 	}
 	subgraph cluster_1 {
 		cluster_1_0 [label="\l" fillcolor=white style=filled]
-		cluster_1_0 -> cluster_1_2
+		cluster_1_0 -> cluster_1_2 [color=black]
 		cluster_1_2 [label="a = 5\l" fillcolor=white style=filled]
-		cluster_1_2 -> cluster_1_1
+		cluster_1_2 -> cluster_1_1 [color=black]
 		cluster_1_1 [label="\l" fillcolor=black style=filled]
 		fontname="Courier New" label=foo
 	}
 	subgraph cluster_2 {
 		cluster_2_0 [label="\l" fillcolor=white style=filled]
-		cluster_2_0 -> cluster_2_2
+		cluster_2_0 -> cluster_2_2 [color=black]
 		cluster_2_2 [label="a > 0\l" fillcolor=white style=filled]
-		cluster_2_2 -> cluster_2_3 [label=True]
+		cluster_2_2 -> cluster_2_3 [label=True color=black]
 		cluster_2_3 [label="owl = 'hoo'\l" fillcolor=white style=filled]
-		cluster_2_3 -> cluster_2_1
+		cluster_2_3 -> cluster_2_1 [color=black]
 		cluster_2_1 [label="\l" fillcolor=black style=filled]
-		cluster_2_2 -> cluster_2_1 [label=False]
+		cluster_2_2 -> cluster_2_1 [label=False color=black]
 		fontname="Courier New" label=hoo
 	}
 }
diff --git a/tests/test_cfg/snapshots/my_file.gv b/tests/test_cfg/snapshots/my_file.gv
index 36ac57459..da3170ed6 100644
--- a/tests/test_cfg/snapshots/my_file.gv
+++ b/tests/test_cfg/snapshots/my_file.gv
@@ -2,23 +2,23 @@ digraph my_file {
 	node [fontname="Courier New" shape=box]
 	subgraph cluster_0 {
 		cluster_0_0 [label="\ldef foo() -> None:\l    for i in range(1, 10):\l        if i < 5:\l            print('hi')\l" fillcolor=white style=filled]
-		cluster_0_0 -> cluster_0_1
+		cluster_0_0 -> cluster_0_1 [color=black]
 		cluster_0_1 [label="\l" fillcolor=black style=filled]
 		fontname="Courier New" label=__main__
 	}
 	subgraph cluster_1 {
 		cluster_1_0 [label="\l" fillcolor=white style=filled]
-		cluster_1_0 -> cluster_1_2
+		cluster_1_0 -> cluster_1_2 [color=black]
 		cluster_1_2 [label="range(1, 10)\l" fillcolor=white style=filled]
-		cluster_1_2 -> cluster_1_3
+		cluster_1_2 -> cluster_1_3 [color=black]
 		cluster_1_3 [label="i\l" fillcolor=white style=filled]
-		cluster_1_3 -> cluster_1_5
+		cluster_1_3 -> cluster_1_5 [color=black]
 		cluster_1_5 [label="i < 5\l" fillcolor=white style=filled]
-		cluster_1_5 -> cluster_1_6 [label=True]
+		cluster_1_5 -> cluster_1_6 [label=True color=black]
 		cluster_1_6 [label="print('hi')\l" fillcolor=white style=filled]
-		cluster_1_6 -> cluster_1_3
-		cluster_1_5 -> cluster_1_3 [label=False]
-		cluster_1_3 -> cluster_1_1
+		cluster_1_6 -> cluster_1_3 [color=black]
+		cluster_1_5 -> cluster_1_3 [label=False color=black]
+		cluster_1_3 -> cluster_1_1 [color=black]
 		cluster_1_1 [label="\l" fillcolor=black style=filled]
 		fontname="Courier New" label=foo
 	}