tests: fix test breakage from graph template changes

tests/test-hgweb.out

@@ -186,4 +186,45 b' span.logtags span.inbranchtag {'
 	background-color: #d5dde6;
 	border-color: #e3ecf4 #9398f4 #9398f4 #e3ecf4;
 }
+
+/* Graph */
+div#wrapper {
+	position: relative;
+	margin: 0;
+	padding: 0;
+}
+
+canvas {
+	position: absolute;
+	z-index: 5;
+	top: -0.9em;
+	margin: 0;
+}
+
+ul#nodebgs {
+	list-style: none inside none;
+	padding: 0;
+	margin: 0;
+	top: -0.7em;
+}
+ 
+ul#graphnodes li, ul#nodebgs li {
+	height: 39px;
+}
+
+ul#graphnodes {
+	position: absolute;
+	z-index: 10;
+	top: -0.8em;
+	list-style: none inside none;
+	padding: 0;
+}
+
+ul#graphnodes li .info {
+	display: block;
+	font-size: 100%;
+	position: relative;
+	top: -3px;
+	font-style: italic;
+}
 % errors

tests/test-highlight.out

@@ -18,6 +18,7 b' 200 Script output follows'
 <div class="buttons">
 <a href="/log/0">changelog</a>
 <a href="/shortlog/0">shortlog</a>
+<a href="/graph">graph</a>
 <a href="/tags">tags</a>
 <a href="/rev/79ee608ca36d">changeset</a>
 <a href="/file/79ee608ca36d/">files</a>
@@ -80,6 +81,7 b' 200 Script output follows'
 <div class="buttons">
 <a href="/log/0">changelog</a>
 <a href="/shortlog/0">shortlog</a>
+<a href="/graph">graph</a>
 <a href="/tags">tags</a>
 <a href="/rev/79ee608ca36d">changeset</a>
 <a href="/file/79ee608ca36d/">files</a>