Fix Tomcat 6 issues (#4478)

* Fix Tomcat test failures due to dependency conflicts

* Added proxy and tomcat6 to old tests to run on Travis

pom.xml

@@ -597,6 +597,12 @@
                 <artifactId>wildfly-undertow</artifactId>
                 <version>${wildfly.version}</version>
                 <scope>test</scope>
+                <exclusions>
+                    <exclusion>
+                        <groupId>io.undertow.jastow</groupId>
+                        <artifactId>jastow</artifactId>
+                    </exclusion>
+                </exclusions>
             </dependency>
             <dependency>
                 <groupId>org.wildfly.core</groupId>

travis-run-tests.sh

@@ -15,6 +15,8 @@ if [ $1 == "old" ]; then
     cd testsuite
     mvn test -B -nsu -f integration-deprecated
     mvn test -B -nsu -f jetty
+    mvn test -B -nsu -f proxy
+    mvn test -B -nsu -f tomcat6
     mvn test -B -nsu -f tomcat7
     mvn test -B -nsu -f tomcat8
 fi