diff --git a/build.gradle b/build.gradle
index 722716b9..a061f2d0 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,8 @@
 apply plugin: 'java'
 apply plugin: 'maven'
+apply plugin: 'com.bmuschko.nexus'
 
-group = 'eva2'
+group = 'de.openea'
 version = '2.2.0'
 
 description = """EvA2"""
@@ -25,9 +26,62 @@ task fatJar(type: Jar) {
 repositories {
     mavenCentral()        
 }
+
 dependencies {
     compile group: 'javax.help', name: 'javahelp', version: '2.0.05'
     compile group: 'org.yaml', name: 'snakeyaml', version: '1.16'
     compile group: 'gov.nist.math', name: 'jama', version: '1.0.3'
     testCompile group: 'junit', name: 'junit', version: '4.12'
+    testCompile group: 'org.mockito', name: 'mockito-core', version: '1.+'
+}
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.bmuschko:gradle-nexus-plugin:2.3.1'
+    }
+}
+
+modifyPom {
+    project {
+        name 'EvA2'
+        description 'Gradle plugin that provides tasks for configuring and uploading artifacts to Sonatype Nexus.'
+        url 'http://www.ra.cs.uni-tuebingen.de/software/eva2/'
+        inceptionYear '2008'
+
+        scm {
+            url 'https://gitlab.cs.uni-tuebingen.de/eva2/eva2/'
+            connection 'scm:https://gitlab.cs.uni-tuebingen.de/eva2/eva2/.git'
+            developerConnection 'scm:https://gitlab.cs.uni-tuebingen.de/eva2/eva2/.git'
+        }
+
+        licenses {
+            license {
+                name 'GNU Lesser General Public License, Version 3.0'
+                url 'http://www.gnu.org/licenses/lgpl-3.0.html'
+                distribution 'repo'
+            }
+        }
+
+        developers {
+            developer {
+                id 'halfdan'
+                name 'Fabian Becker'
+                email 'halfdan@xnorfz.de'
+            }
+        }
+    }
+}
+
+extraArchive {
+    sources = true
+    tests = true
+    javadoc = true
+}
+
+nexus {
+    repositoryUrl = 'https://oss.sonatype.org/service/local/staging/deploy/maven2'
+    snapshotRepositoryUrl = 'https://oss.sonatype.org/content/repositories/snapshots'
 }
diff --git a/src/test/java/eva2/optimization/population/PopulationTest.java b/src/test/java/eva2/optimization/population/PopulationTest.java
index ad978339..98265d00 100644
--- a/src/test/java/eva2/optimization/population/PopulationTest.java
+++ b/src/test/java/eva2/optimization/population/PopulationTest.java
@@ -1,9 +1,12 @@
 package eva2.optimization.population;
 
+import com.sun.org.apache.bcel.internal.generic.POP;
 import eva2.optimization.individuals.ESIndividualDoubleData;
 import org.junit.Before;
 import org.junit.Test;
 import static org.junit.Assert.*;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
 
 public class PopulationTest {
     Population emptyPopulation;
@@ -182,8 +185,13 @@ public class PopulationTest {
     @Test
     public void testIncrGeneration() throws Exception {
         int currentGeneration = emptyPopulation.getGeneration();
+        InterfacePopulationChangedEventListener listener = mock(InterfacePopulationChangedEventListener.class);
+
+        emptyPopulation.addPopulationChangedEventListener(listener);
         emptyPopulation.incrGeneration();
 
+        verify(listener).registerPopulationStateChanged(emptyPopulation, Population.NEXT_GENERATION_PERFORMED);
+
         assertEquals(currentGeneration + 1, emptyPopulation.getGeneration());
     }
 
@@ -204,11 +212,6 @@ public class PopulationTest {
 
     }
 
-    @Test
-    public void testAddPopulation1() throws Exception {
-
-    }
-
     @Test
     public void testResetFitness() throws Exception {
 
@@ -219,11 +222,6 @@ public class PopulationTest {
 
     }
 
-    @Test
-    public void testGetDominatingSet1() throws Exception {
-
-    }
-
     @Test
     public void testGetIndexOfBestIndividualPrefFeasible() throws Exception {
 
@@ -234,16 +232,6 @@ public class PopulationTest {
 
     }
 
-    @Test
-    public void testGetIndexOfBestIndividualPrefFeasible1() throws Exception {
-
-    }
-
-    @Test
-    public void testGetIndexOfWorstIndividualNoConstr1() throws Exception {
-
-    }
-
     @Test
     public void testMoveNInds() throws Exception {
 
@@ -319,11 +307,6 @@ public class PopulationTest {
 
     }
 
-    @Test
-    public void testGetCorrelations1() throws Exception {
-
-    }
-
     @Test
     public void testGetFitnessMeasures() throws Exception {
 
@@ -401,4 +384,29 @@ public class PopulationTest {
         // Get all individuals with fitness <= 10.0 (first fitness dimension)
         assertEquals(2, emptyPopulation.filterByFitness(10.0, 0).size());
     }
+
+    @Test
+    public void testGetBestEAIndividual() throws Exception {
+
+    }
+
+    @Test
+    public void testGetBestNIndividuals() throws Exception {
+
+    }
+
+    @Test
+    public void testGetWorstNIndividuals() throws Exception {
+
+    }
+
+    @Test
+    public void testGetWorstEAIndividual() throws Exception {
+
+    }
+
+    @Test
+    public void testRemoveNIndividuals() throws Exception {
+
+    }
 }
\ No newline at end of file