tracks/java/exercises/change/src/test/java/ChangeCalculatorTest.java in trackler-2.1.0.20 vs tracks/java/exercises/change/src/test/java/ChangeCalculatorTest.java in trackler-2.1.0.21

@@ -6,10 +6,10 @@
 import static java.util.Arrays.asList;
 import static java.util.Collections.emptyList;
 import static java.util.Collections.singletonList;
 import static org.junit.Assert.assertEquals;
 
-public final class ChangeCalculatorTest {
+public class ChangeCalculatorTest {
 
     /*
      * See https://github.com/junit-team/junit4/wiki/Rules for information on JUnit Rules in general and
      * ExpectedExceptions in particular.
      */