Enable running websocket tests on JBoss EAP 6.4 (#13323)

Change-Id: I6930aec1bd7b8df102f01b1d7c393e2155591757

WebContent/WEB-INF/jboss-web.xml

@@ -0,0 +1,7 @@
+<jboss-web version="7.2" xmlns="http://www.jboss.com/xml/ns/javaee"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:schemaLocation="http://www.jboss.com/xml/ns/javaee
+         schema/jboss-web_7_2.xsd">
+    <!-- Enable websockets on JBoss EAP 6.4 -->
+    <enable-websockets>true</enable-websockets>
+</jboss-web>

uitest/src/com/vaadin/tests/tb3/ServletIntegrationTests.java

@@ -38,7 +38,6 @@ public class ServletIntegrationTests {
         notJSR356Compatible.add("jboss4");
         notJSR356Compatible.add("jboss5");
         notJSR356Compatible.add("jboss6");
-        notJSR356Compatible.add("jbosseap6");
         notJSR356Compatible.add("jboss7");
 
         notJSR356Compatible.add("jetty7");
@@ -59,7 +58,6 @@ public class ServletIntegrationTests {
         notWebsocketCompatible.add("jboss5");
         notWebsocketCompatible.add("jboss6");
         notWebsocketCompatible.add("jboss7");
-        notWebsocketCompatible.add("jbosseap6");
         notWebsocketCompatible.add("jetty5");
         notWebsocketCompatible.add("jetty6");
         notWebsocketCompatible.add("tomcat5");