diff --git a/src/test/java/de/joethei/hs/java2/tests/KlausurenServerTest.java b/src/test/java/de/joethei/hs/java2/tests/KlausurenServerTest.java
index cde2814..308c6f1 100644
--- a/src/test/java/de/joethei/hs/java2/tests/KlausurenServerTest.java
+++ b/src/test/java/de/joethei/hs/java2/tests/KlausurenServerTest.java
@@ -25,6 +25,7 @@ public class KlausurenServerTest {
     @Order(order = 1)
     public void test() {
         assertEquals("Hallo Welt", sendRequest("test"));
+        assertEquals("0", sendRequest("getall"));
     }
 
     @Test(timeout = 120L)
@@ -46,6 +47,8 @@ public class KlausurenServerTest {
     public void get() {
         assertEquals("1 5, 6, 7, 8", sendRequest("get max@maier"));
         assertEquals("0", sendRequest("get max@müller"));
+        assertEquals("0", sendRequest("get"));
+        assertEquals("0", sendRequest("get max@müller 42"));
     }
 
     @Test(timeout = 500L)
@@ -53,6 +56,7 @@ public class KlausurenServerTest {
     public void del() {
         assertEquals("0", sendRequest("del max@maier baum"));
         assertEquals("1 5, 6, 7, 8", sendRequest("del max@maier"));
+        assertEquals("0", sendRequest("del max@maier"));
         assertEquals("0", sendRequest("get max@maier"));
     }
     @Test(timeout = 2000L)