diff --git a/ldap-services/pom.xml b/ldap-services/pom.xml
index 481e045..8a02994 100644
--- a/ldap-services/pom.xml
+++ b/ldap-services/pom.xml
@@ -127,27 +127,6 @@
 					</execution>
 				</executions>
 			</plugin>
-			<plugin>
-				<groupId>org.codehaus.mojo</groupId>
-				<artifactId>exec-maven-plugin</artifactId>
-				<version>1.6.0</version>
-				<executions>
-					<execution>
-						<id>migratePostgresLiquibaseChangeLogToH2</id>
-						<phase>generate-sources</phase>
-						<goals>
-							<goal>exec</goal>
-						</goals>
-						<configuration>
-							<executable>${project.basedir}/scripts/migratePostgresLiquibaseChangeLogToH2.${script.extension}</executable>
-							<arguments>
-								<argument>${project.parent.basedir}/db-migration/src/main/resources/liquibase/db.changelog.xml</argument>
-								<argument>${project.build.directory}/classes/liquibase/db.changelog.xml</argument>
-							</arguments>
-						</configuration>
-					</execution>
-				</executions>
-			</plugin>
 			<plugin>
 				<groupId>org.apache.openejb.maven</groupId>
 				<artifactId>tomee-maven-plugin</artifactId>
@@ -164,34 +143,6 @@
 					</libs>
 				</configuration>
 			</plugin>
-		        <plugin>
-				<groupId>org.apache.openjpa</groupId>
-				<artifactId>openjpa-maven-plugin</artifactId>
-				<version>2.4.2</version>
-				<configuration>
-				    <includes>**/bo/*.class</includes>
-				    <addDefaultConstructor>true</addDefaultConstructor>               
-				    <enforcePropertyRestrictions>true</enforcePropertyRestrictions>
-				</configuration>
-				<executions>
-				    <execution>
-					<id>enhancer</id>
-					<phase>process-classes</phase>
-					<goals>
-					    <goal>enhance</goal>
-					</goals>
-				    </execution>
-				</executions>
-				<dependencies>
-				    <dependency>
-					<groupId>org.apache.openjpa</groupId>
-					<artifactId>openjpa</artifactId>
-					<!-- set the version to be the same as the level in your runtime -->
-					<version>2.4.2</version>
-					<scope>compile</scope>
-				    </dependency>
-				</dependencies>
-		        </plugin>
 		</plugins>
 	</build>
 </project>
diff --git a/ldap-services/src/test/java/de/hsadmin/service/ldap/ValidationTest.java b/ldap-services/src/test/java/de/hsadmin/service/ldap/ValidationTest.java
index c596f0f..81f3f4c 100644
--- a/ldap-services/src/test/java/de/hsadmin/service/ldap/ValidationTest.java
+++ b/ldap-services/src/test/java/de/hsadmin/service/ldap/ValidationTest.java
@@ -20,6 +20,18 @@ public class ValidationTest {
 	@Before
 	public void setUp() throws Exception {
 		vo = new LdapUserVO();
+		final String uidOk = "abc-someuid";
+		final String mailOk = "someone@example.org";
+		final String snOk = "Mustermann";
+		((StringProperty) vo.get("uid")).setValue(uidOk);
+		String uid = vo.getUid();
+		assertEquals(uidOk, uid);
+		((StringProperty) vo.get("mail")).setValue(mailOk);
+		String mail = vo.getMail();
+		assertEquals(mailOk, mail);
+		((StringProperty) vo.get("sn")).setValue(snOk);
+		String sn = vo.getSn();
+		assertEquals(snOk, sn);
 		val = new ValidationDelegate<LdapUserVO>();
 	}
 
@@ -30,6 +42,11 @@ public class ValidationTest {
 
 	@Test
 	public void testSetUid() {
+		try {
+			val.checkPrototypeIsCreateable(vo);
+		} catch (UserException | TechnicalException e) {
+			fail(e.getMessage());
+		}
 		final String uidFail = "ac-someuid";
 		try {
 			((StringProperty) vo.get("uid")).setValue(uidFail);
@@ -45,38 +62,53 @@ public class ValidationTest {
 				fail(e.getMessage());
 			}
 		}
-		final String uidOk = "abc-someuid";
-		final String mailOk = "someone@example.org";
-		final String snOk = "Mustermann";
+	}
+
+	@Test
+	public void testSetMail() {
+		final String mailFail = "someuid";
 		try {
-			((StringProperty) vo.get("uid")).setValue(uidOk);
-			String uid = vo.getUid();
-			assertEquals(uidOk, uid);
-			((StringProperty) vo.get("mail")).setValue(mailOk);
+			((StringProperty) vo.get("mail")).setValue(mailFail);
 			String mail = vo.getMail();
-			assertEquals(mailOk, mail);
-			((StringProperty) vo.get("sn")).setValue(snOk);
-			String sn = vo.getSn();
-			assertEquals(snOk, sn);
+			assertEquals(mailFail, mail);
+			val.checkPrototypeIsCreateable(vo);
+			fail("expect UserException");
+		} catch (UserException | TechnicalException e) {
+			if (e instanceof UserException) {
+				UserException ue = (UserException) e;
+				assertTrue("expect validationerror " + UserError.MSG_FIELD_DOESNOT_VALIDATE, ue.hasError(UserError.MSG_FIELD_DOESNOT_VALIDATE));
+			} else {
+				fail(e.getMessage());
+			}
+		}
+	}
+
+	@Test
+	public void testSetMobile() {
+		try {
+			final String phoneFail = "+49 1234 S55678";
+			((StringProperty) vo.get("mobile")).setValue(phoneFail);
+			String mobile = vo.getMobile();
+			assertEquals(phoneFail, mobile);
+			val.checkPrototypeIsCreateable(vo);
+			fail("expect UserException");
+		} catch (UserException | TechnicalException e) {
+			if (e instanceof UserException) {
+				UserException ue = (UserException) e;
+				assertTrue("expect validationerror " + UserError.MSG_FIELD_DOESNOT_VALIDATE, ue.hasError(UserError.MSG_FIELD_DOESNOT_VALIDATE));
+			} else {
+				fail(e.getMessage());
+			}
+		}
+		try {
+			final String phoneOk = "+49 1234 555678";
+			((StringProperty) vo.get("mobile")).setValue(phoneOk);
+			String mobile = vo.getMobile();
+			assertEquals(phoneOk, mobile);
 			val.checkPrototypeIsCreateable(vo);
 		} catch (UserException | TechnicalException e) {
 			fail(e.getMessage());
 		}
 	}
 
-//	@Test
-	public void testSetMail() {
-		fail("Not yet implemented");
-	}
-
-//	@Test
-	public void testSetMobile() {
-		fail("Not yet implemented");
-	}
-
-//	@Test
-	public void testSetNickName() {
-		fail("Not yet implemented");
-	}
-
 }