Purging erroneous class

Klausuren/Sd1/2018summer/Solve/src/test/java/de/hdm_stuttgart/mi/sd1/test/ShowReachedPoints.java

 package de.hdm_stuttgart.mi.sd1.test;
 
 import de.hdm_stuttgart.mi.exam.unitmarking.RunTests;
-import de.hdm_stuttgart.mi.sd1.test.aufgabe1.Test_ArrayHelper;
-import de.hdm_stuttgart.mi.sd1.test.aufgabe1.Test_MathHelper;
-import de.hdm_stuttgart.mi.sd1.test.aufgabe1.Test_StringHelper;
+import de.hdm_stuttgart.mi.sd1.test.aufgabe1.Test_3_ArrayHelper;
+import de.hdm_stuttgart.mi.sd1.test.aufgabe1.Test_2_MathHelper;
+import de.hdm_stuttgart.mi.sd1.test.aufgabe1.Test_1_StringHelper;
 import de.hdm_stuttgart.mi.sd1.test.aufgabe2.Test_Artikel;
 
 public class ShowReachedPoints {
@@ -16,9 +16,9 @@ public class ShowReachedPoints {
   public static void main(String[] args) {
     RunTests.exec(
       "Aufgabe 1"
-            , Test_StringHelper.class
-            , Test_MathHelper.class
-            , Test_ArrayHelper.class
+            , Test_1_StringHelper.class
+            , Test_2_MathHelper.class
+            , Test_3_ArrayHelper.class
       );
 
     RunTests.exec("Aufgabe 2", Test_Artikel.class);