diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..f316c92
Binary files /dev/null and b/.DS_Store differ
diff --git a/dnet-dedup-test/.DS_Store b/dnet-dedup-test/.DS_Store
new file mode 100644
index 0000000..638b0d7
Binary files /dev/null and b/dnet-dedup-test/.DS_Store differ
diff --git a/dnet-dedup-test/src/test/.DS_Store b/dnet-dedup-test/src/test/.DS_Store
new file mode 100644
index 0000000..3d159ce
Binary files /dev/null and b/dnet-dedup-test/src/test/.DS_Store differ
diff --git a/dnet-dedup-test/src/test/resources/.DS_Store b/dnet-dedup-test/src/test/resources/.DS_Store
new file mode 100644
index 0000000..8e5124c
Binary files /dev/null and b/dnet-dedup-test/src/test/resources/.DS_Store differ
diff --git a/dnet-pace-core/.DS_Store b/dnet-pace-core/.DS_Store
new file mode 100644
index 0000000..6d64501
Binary files /dev/null and b/dnet-pace-core/.DS_Store differ
diff --git a/dnet-pace-core/src/test/java/DedupTestIT.java b/dnet-pace-core/src/test/java/DedupTestIT.java
deleted file mode 100644
index f9f1ed3..0000000
--- a/dnet-pace-core/src/test/java/DedupTestIT.java
+++ /dev/null
@@ -1,4 +0,0 @@
-public class DedupTestIT {
-
-
-}
diff --git a/dnet-pace-core/src/test/java/eu/dnetlib/pace/config/ConfigTest.java b/dnet-pace-core/src/test/java/eu/dnetlib/pace/config/ConfigTest.java
index 5ae0306..d47768b 100644
--- a/dnet-pace-core/src/test/java/eu/dnetlib/pace/config/ConfigTest.java
+++ b/dnet-pace-core/src/test/java/eu/dnetlib/pace/config/ConfigTest.java
@@ -1,11 +1,6 @@
 package eu.dnetlib.pace.config;
 
-import java.io.IOException;
-
 import eu.dnetlib.pace.AbstractPaceTest;
-import eu.dnetlib.pace.model.MapDocument;
-import eu.dnetlib.pace.model.MapDocumentSerializer;
-import org.apache.commons.io.IOUtils;
 import org.junit.Test;
 
 import static org.junit.Assert.assertEquals;
diff --git a/pom.xml b/pom.xml
index dec6429..b7f7992 100644
--- a/pom.xml
+++ b/pom.xml
@@ -93,6 +93,26 @@
                 <artifactId>maven-dependency-plugin</artifactId>
                 <version>3.0.0</version>
             </plugin>
+            <!--<plugin>-->
+                <!--<groupId>org.apache.maven.plugins</groupId>-->
+                <!--<artifactId>maven-failsafe-plugin</artifactId>-->
+                <!--<version>2.13</version>-->
+                <!--<executions>-->
+                    <!--<execution>-->
+                        <!--<id>integration-test</id>-->
+                        <!--<goals>-->
+                            <!--<goal>integration-test</goal>-->
+                        <!--</goals>-->
+                    <!--</execution>-->
+                    <!--<execution>-->
+                        <!--<id>verify</id>-->
+                        <!--<goals>-->
+                            <!--<goal>verify</goal>-->
+                        <!--</goals>-->
+                    <!--</execution>-->
+                <!--</executions>-->
+            <!--</plugin>-->
+
         </plugins>
 
     </build>
@@ -182,6 +202,11 @@
                 <artifactId>spark-graphx_2.11</artifactId>
                 <version>${spark.version}</version>
             </dependency>
+            <dependency>
+                <groupId>org.apache.spark</groupId>
+                <artifactId>spark-sql_2.11</artifactId>
+                <version>${spark.version}</version>
+            </dependency>
             <dependency>
                 <groupId>junit</groupId>
                 <artifactId>junit</artifactId>
@@ -193,6 +218,13 @@
                 <artifactId>reflections</artifactId>
                 <version>0.9.10</version>
             </dependency>
+
+            <dependency>
+                <groupId>org.apache.oozie</groupId>
+                <artifactId>oozie-client</artifactId>
+                <version>5.1.0</version>
+            </dependency>
+
         </dependencies>
     </dependencyManagement>
     <properties>