finished Tests for TaskListModel

src/main/java/ch/zhaw/gartenverwaltung/taskList/TaskListModel.java

@@ -9,6 +9,7 @@ import ch.zhaw.gartenverwaltung.types.*;
 
 import java.io.IOException;
 import java.time.LocalDate;
+import java.util.ArrayList;
 import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;
@@ -105,17 +106,17 @@ public class TaskListModel {
     }
 
     /**
-     * Method to get an Array of 7 Tasklists for the next 7 days. Index 0 is Tasklist for Today.
-     * @return Array with length 7 (List<Task>[])
+     * Method to get an List of 7 Tasklists for the next 7 days. Index 0 is Tasklist for Today.
+     * @return List with length 7 (List<List<Task>>)
      * @throws IOException If the database cannot be accessed
      */
-    public List<Task>[] getTasksUpcomingWeek() throws IOException {
-        List<Task>[] listArray = new List[7];
+    public List<List<Task>> getTasksUpcomingWeek() throws IOException {
+        List<List<Task>> dayTaskList = new ArrayList<>();
         for(int i = 0; i < 7; i++) {
             LocalDate date = LocalDate.now().plusDays(i);
-            listArray[i] = taskDatabase.getTaskList(date, date);
+            dayTaskList.add(taskDatabase.getTaskList(date, date));
         }
-        return listArray;
+        return dayTaskList;
     }
 
     /**