diff --git a/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/JournalDAOImplTest.java b/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/JournalDAOImplTest.java
index f77b4c9801a4e2621b2cf68382bb7c8536cf7582..d7d201f69c8a72f99538b3ba56cf9a3c32947891 100644
--- a/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/JournalDAOImplTest.java
+++ b/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/JournalDAOImplTest.java
@@ -31,8 +31,7 @@ public class JournalDAOImplTest {
     public void createJournal() {
 
         // Create Journal
-        Journal createJournal = testJournal;
-        journalDAO.createJournal(createJournal);
+        journalDAO.createJournal(testJournal);
 
         connection.connect();
 
@@ -108,13 +107,12 @@ public class JournalDAOImplTest {
 
     @Test
     public void deleteJournal() {
-        Journal deleteJournal = testJournal;
 
         //createJournal
         connection.connect();
 
         // build and execute request
-        create(deleteJournal);
+        create(testJournal);
 
         //check if Journal was added
         ArrayList<Journal> resultJournals = getJournals();
@@ -138,14 +136,13 @@ public class JournalDAOImplTest {
     @Test
     public void getJournal() {
 
-        //create Journal
-        Journal getJournal = testJournal;
+
         //createJournal
 
         connection.connect();
 
         // build and execute request
-        create(getJournal);
+        create(testJournal);
 
         //get that Journal
         Journal resultJournal = journalDAO.getJournal(testId);
@@ -224,8 +221,7 @@ public class JournalDAOImplTest {
         connection.connect();
 
         //create Journal
-        Journal closeJournal = testJournal;
-        create(closeJournal);
+        create(testJournal);
 
         Journal resultJournal = getJournals().get(0);
 
diff --git a/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/LinkDAOImplTest.java b/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/LinkDAOImplTest.java
index 82b1b95d2e5711e2df937329a858027e26e3e982..151b6e7945671bcbb45c8d036a0b55cda4723915 100644
--- a/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/LinkDAOImplTest.java
+++ b/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/LinkDAOImplTest.java
@@ -12,14 +12,14 @@ import static org.junit.Assert.assertFalse;
 
 public class LinkDAOImplTest {
 
-    MysqlConnect connection = new MysqlConnect();
-    LinkDAO linkDAO = new LinkDAOImpl();
-
-    String testId = "-1";
-    String testProjectDescription = "testproject";
-    String testName = "testname";
-    String testLink = "https://www.test.de";
-    Link testLinkObj = new Link(testId, testProjectDescription, testName, testLink);
+    private final MysqlConnect connection = new MysqlConnect();
+    private final LinkDAO linkDAO = new LinkDAOImpl();
+
+    private final String testId = "-1";
+    private final String testProjectDescription = "testproject";
+    private final String testName = "testname";
+    private final String testLink = "https://www.test.de";
+    private final Link testLinkObj = new Link(testId, testProjectDescription, testName, testLink);
 
     @Test
     public void addLink() {
diff --git a/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/ProjectDescriptionImplDAOTest.java b/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/ProjectDescriptionImplDAOTest.java
index a42e54b114f01e360cc00c686cff78781cd5b8bf..bcc98003103ad7c5d13e95336266e32b67657595 100644
--- a/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/ProjectDescriptionImplDAOTest.java
+++ b/gemeinsamforschen/src/test/java/unipotsdam/gf/modules/journal/model/dao/ProjectDescriptionImplDAOTest.java
@@ -80,9 +80,7 @@ public class ProjectDescriptionImplDAOTest {
     public void getDescriptionSI() {
         connection.connect();
 
-        ProjectDescription getDescription = testProjectDescription;
-
-        create(getDescription);
+        create(testProjectDescription);
 
         ProjectDescription result = descriptionDAO.getDescription(new StudentIdentifier(testProjekt, testStudent));
 
@@ -99,9 +97,7 @@ public class ProjectDescriptionImplDAOTest {
     public void getDescriptionID() {
         connection.connect();
 
-        ProjectDescription getDescription = testProjectDescription;
-
-        create(getDescription);
+        create(testProjectDescription);
 
         ProjectDescription result = descriptionDAO.getDescription(testId);
 
@@ -118,9 +114,7 @@ public class ProjectDescriptionImplDAOTest {
     public void deleteDescription() {
         connection.connect();
 
-        ProjectDescription deleteDescription = testProjectDescription;
-
-        create(deleteDescription);
+        create(testProjectDescription);
 
         ArrayList<ProjectDescription> resultDescriptions = getProjectDescription();
 
@@ -141,9 +135,7 @@ public class ProjectDescriptionImplDAOTest {
     public void closeDescription() {
         connection.connect();
 
-        ProjectDescription closeDescription = testProjectDescription;
-
-        create(closeDescription);
+        create(testProjectDescription);
 
         ArrayList<ProjectDescription> resultDescriptions = getProjectDescription();