cleanup: local day plan test

assignment/src/test/java/appointmentplanner/LocalDayPlanTest.java

@@ -9,6 +9,8 @@ import java.util.stream.Stream;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
+import org.junit.jupiter.params.provider.ValueSource;
+import org.junit.jupiter.params.provider.ValueSources;
 
 import appointmentplanner.api.LocalDay;
 import appointmentplanner.api.LocalDayPlan;
@@ -38,5 +40,4 @@ public class LocalDayPlanTest {
     assertThat(plan.startOfDay()).isEqualTo(start);
     assertThat(plan.endOfDay()).isEqualTo(end);
   }
-
 }