diff --git a/src/test/java/de/rwu/easydrop/core/CoreTest.java b/src/test/java/de/rwu/easydrop/core/CoreTest.java
new file mode 100644
index 0000000..b81a7ac
--- /dev/null
+++ b/src/test/java/de/rwu/easydrop/core/CoreTest.java
@@ -0,0 +1,10 @@
+package de.rwu.easydrop.core;
+
+import org.junit.jupiter.api.Test;
+
+public class CoreTest {
+    @Test
+    void testRunCore() {
+
+    }
+}
diff --git a/src/test/java/de/rwu/easydrop/core/OfferIdentifierTest.java b/src/test/java/de/rwu/easydrop/core/OfferIdentifierTest.java
new file mode 100644
index 0000000..92d7876
--- /dev/null
+++ b/src/test/java/de/rwu/easydrop/core/OfferIdentifierTest.java
@@ -0,0 +1,10 @@
+package de.rwu.easydrop.core;
+
+import org.junit.jupiter.api.Test;
+
+public class OfferIdentifierTest {
+    @Test
+    void testRunIdentifier() {
+
+    }
+}
diff --git a/src/test/java/de/rwu/easydrop/core/OfferProvisionerTest.java b/src/test/java/de/rwu/easydrop/core/OfferProvisionerTest.java
new file mode 100644
index 0000000..6b3b26a
--- /dev/null
+++ b/src/test/java/de/rwu/easydrop/core/OfferProvisionerTest.java
@@ -0,0 +1,10 @@
+package de.rwu.easydrop.core;
+
+import org.junit.jupiter.api.Test;
+
+public class OfferProvisionerTest {
+    @Test
+    void testRunProvisioner() {
+
+    }
+}
diff --git a/src/test/java/de/rwu/easydrop/core/OfferReviewerTest.java b/src/test/java/de/rwu/easydrop/core/OfferReviewerTest.java
new file mode 100644
index 0000000..9c03f5c
--- /dev/null
+++ b/src/test/java/de/rwu/easydrop/core/OfferReviewerTest.java
@@ -0,0 +1,10 @@
+package de.rwu.easydrop.core;
+
+import org.junit.jupiter.api.Test;
+
+public class OfferReviewerTest {
+    @Test
+    void testRunReviewer() {
+
+    }
+}
diff --git a/src/test/java/de/rwu/easydrop/core/OfferUpdaterTest.java b/src/test/java/de/rwu/easydrop/core/OfferUpdaterTest.java
new file mode 100644
index 0000000..b7e46ae
--- /dev/null
+++ b/src/test/java/de/rwu/easydrop/core/OfferUpdaterTest.java
@@ -0,0 +1,10 @@
+package de.rwu.easydrop.core;
+
+import org.junit.jupiter.api.Test;
+
+public class OfferUpdaterTest {
+    @Test
+    void testRunUpdater() {
+
+    }
+}