maven compiles all tests independetly of which tests are run

src/main/java/oving5/ticket/PeriodTicket.java

@@ -0,0 +1,12 @@
+package oving5.ticket;
+
+import java.time.LocalDateTime;
+
+public class PeriodTicket {
+	PeriodTicket(LocalDateTime start, LocalDateTime end) {
+	}
+
+	public boolean scan() {
+		return false;
+	}
+}

src/main/java/oving5/ticket/SingleTicket.java

@@ -0,0 +1,6 @@
+package oving5.ticket;
+
+public class SingleTicket {
+	SingleTicket() {
+	}
+}