Fix tests in CI environment

(cherry picked from commit ae02f2c)

Author: acogoluegnes

pom.xml

@@ -437,6 +437,11 @@
                 <include>**/ServerTests.*</include>
                 <include>**/HATests.*</include>
               </includes>
+              <!--
+                needed because of bug in OpenJDK 8 u181 on Debian distros
+                see https://stackoverflow.com/questions/53010200/maven-surefire-could-not-find-forkedbooter-class
+              -->
+              <argLine>-Djdk.net.URLClassPath.disableClassPathURLCheck=true</argLine>
             </configuration>
             <executions>
               <execution>
@@ -473,6 +478,11 @@
               <systemPropertyVariables>
                 <use.nio>true</use.nio>
               </systemPropertyVariables>
+              <!--
+                needed because of bug in OpenJDK 8 u181 on Debian distros
+                see https://stackoverflow.com/questions/53010200/maven-surefire-could-not-find-forkedbooter-class
+              -->
+              <argLine>-Djdk.net.URLClassPath.disableClassPathURLCheck=true</argLine>
             </configuration>
           </plugin>
         </plugins>