added a test

pom.xml

src/main/java/simon/App.java

src/test/java/simon/test.java

target/classes/simon/App$1.class

target/classes/simon/App$2.class

target/classes/simon/App$3.class

target/classes/simon/App$4.class

target/classes/simon/App$5.class

target/classes/simon/App$6.class

target/classes/simon/App$7.class

target/classes/simon/App.class

target/classes/simon/ColouredCircle.class

target/test-classes/simon/test.class