Fix test

Author: tijsrademakers

modules/flowable-rest/src/test/java/org/flowable/rest/service/api/runtime/ProcessInstanceChangeActivityStateResourceTest.java

@@ -27,7 +27,7 @@
 import org.flowable.rest.service.BaseSpringRestTestCase;
 import org.flowable.rest.service.api.RestUrls;
 import org.flowable.task.api.Task;
-import org.junit.jupiter.api.Test;
+import org.junit.Test;
 
 import com.fasterxml.jackson.databind.node.ArrayNode;
 import com.fasterxml.jackson.databind.node.ObjectNode;