M2 course tests

application/module-language-school/src/main/java/org/fuseri/modulelanguageschool/lecture/Lecture.java

@@ -27,6 +27,7 @@ public class Lecture extends DomainObject {
     private LocalDateTime lectureFrom;
     private LocalDateTime lectureTo;
     private String topic;
+    private Integer capacity;
 
     @ManyToOne
     private Course course;