Update tests

.travis.yml

@@ -8,6 +8,8 @@ matrix:
     - go: 1.7
     - go: 1.8
     - go: 1.9
+    - go: "1.10"
+    - go: "1.11"
     - go: tip
 
 script:

expected.txt

@@ -1,17 +1,22 @@
 digraph godep {
-_0 [label="flag" style="filled" color="palegreen"];
-_1 [label="fmt" style="filled" color="palegreen"];
-_2 [label="github.com/kisielk/godepgraph" style="filled" color="paleturquoise"];
+
+splines=ortho
+nodesep=0.2
+ranksep=0.6
+node [shape="box",style="rounded,filled"]
+	_0 [label="flag" color="palegreen"];
+_1 [label="fmt" color="palegreen"];
+_2 [label="github.com/kisielk/godepgraph" color="paleturquoise"];
 _2 -> _0;
 _2 -> _1;
 _2 -> _3;
 _2 -> _4;
 _2 -> _5;
 _2 -> _6;
 _2 -> _7;
-_3 [label="go/build" style="filled" color="palegreen"];
-_4 [label="log" style="filled" color="palegreen"];
-_5 [label="os" style="filled" color="palegreen"];
-_6 [label="sort" style="filled" color="palegreen"];
-_7 [label="strings" style="filled" color="palegreen"];
+_3 [label="go/build" color="palegreen"];
+_4 [label="log" color="palegreen"];
+_5 [label="os" color="palegreen"];
+_6 [label="sort" color="palegreen"];
+_7 [label="strings" color="palegreen"];
 }