Remove more testRunner.display() calls from LayoutTests

LayoutTests/fast/text/font-initial.html

Index: LayoutTests/fast/text/font-initial.html
diff --git a/LayoutTests/fast/text/font-initial.html b/LayoutTests/fast/text/font-initial.html
index f3873ac98c9483dd8fd7fe5ea92ce7ae2a626fd2..ced5f85433259913acba899c644db8ba44c495be 100644
--- a/LayoutTests/fast/text/font-initial.html
+++ b/LayoutTests/fast/text/font-initial.html
@@ -3,8 +3,10 @@
     Assertion failure in WebCore::Font::primaryFont</i>.
 </p>
 <span style="font: initial;">PASS</span>
+<script src="../../run-after-display.js"></script>
 <script>
-    // Makes the rendering code run even when not running as a pixel test.
     if (window.testRunner)
-        testRunner.display();
+        testRunner.waitUntilDone();
+    // Makes the rendering code run even when not running as a pixel test.
+    runAfterDisplay(testRunner.notifyDone);
 </script>