Made ASsignm,ents Conmtroller more readable

restservice/src/test/java/com/plannaplan/responses/mappers/AssignmentResponseMappersTest.java

@@ -0,0 +1,24 @@
+package com.plannaplan.responses.mappers;
+
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.util.Arrays;
+import java.util.List;
+
+import com.plannaplan.entities.Groups;
+import com.plannaplan.responses.models.AssignmentResponse;
+
+import org.junit.Test;
+
+public class AssignmentResponseMappersTest {
+    @Test
+    public void shouldReturnNewList() {
+        final List<Groups> groups = Arrays.asList(new Groups(), new Groups());
+        final List<AssignmentResponse> response = AssignmentResponseMappers
+                .mapGroupsListToAssignmentResponseList(groups);
+
+        assertTrue(response.size() == 2);
+        assertTrue(response instanceof List);
+        assertTrue(response.get(0) instanceof AssignmentResponse);
+    }
+}