tests and pmd trend and coverage

pom.xml

@@ -123,7 +123,7 @@
               <targetJdk>${java.version}</targetJdk>
               <linkXRef>false</linkXRef>
               <rulesets>
-                  <ruleset>classpath:pmd-rulesets.xml</ruleset>
+                  <ruleset>pmd-rulesets.xml</ruleset>
               </rulesets>
             </configuration>
             <executions>
@@ -196,6 +196,10 @@
               <excludes>
                 <exclude>ch/ethz/seb/sebserver/webservice/datalayer/batis/mapper/*</exclude>
                 <exclude>ch/ethz/seb/sebserver/webservice/datalayer/batis/model/*</exclude>
+                <exclude>ch/ethz/seb/sebserver/gui/content/*</exclude>
+                <exclude>ch/ethz/seb/sebserver/gui/form/*</exclude>
+                <exclude>ch/ethz/seb/sebserver/gui/table/*</exclude>
+                <exclude>ch/ethz/seb/sebserver/gui/widget/*</exclude>
               </excludes>
               <systemPropertyVariables>
                 <jacoco-agent.destfile>target/jacoco.exec</jacoco-agent.destfile>

src/test/java/ch/ethz/seb/sebserver/gui/integration/UseCasesIntegrationTest.java

@@ -18,6 +18,7 @@ import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Locale;
+import java.util.stream.Collectors;
 
 import org.apache.commons.io.IOUtils;
 import org.joda.time.DateTimeZone;
@@ -923,6 +924,17 @@ public class UseCasesIntegrationTest extends GuiIntegrationTest {
         assertNotNull(attributes);
         assertFalse(attributes.hasError());
         final AttributeMapping attributeMapping = attributes.get();
+        assertEquals(192, attributeMapping.attributeIdMapping.size());
+        assertEquals("[active, audio, backToStart, browserSecurity, browserViewMode, "
+                + "exitSequence, functionKeys, kioskMode, logging, macSettings, "
+                + "newBrowserWindow, newwinsize, proxies, quitLink, registry, "
+                + "servicePolicy, specialKeys, spellcheck, taskbar, urlFilter, "
+                + "userAgentDesktop, userAgentMac, userAgentTouch, winsize, wintoolbar, zoom, zoomMode]",
+                attributeMapping.attributeGroupMapping.keySet()
+                        .stream()
+                        .sorted()
+                        .collect(Collectors.toList())
+                        .toString());
 
     }