Update a test for Chrome version.

Change-Id: I75c05dd316e9890452d7989d38782b13f607064b

uitest/src/com/vaadin/tests/VerifyBrowserVersionTest.java

@@ -40,7 +40,7 @@ public class VerifyBrowserVersionTest extends MultiBrowserTest {
             // Chrome version does not necessarily match the desired version
             // because of auto updates...
             browserIdentifier = getExpectedUserAgentString(getDesiredCapabilities())
-                    + "43";
+                    + "44";
         } else {
             browserIdentifier = getExpectedUserAgentString(desiredCapabilities)
                     + desiredCapabilities.getVersion();