Fix checkstyle error

Author: weih-kahoot

src/test/java/org/apache/commons/configuration2/io/TestCombinedLocationStrategy.java

@@ -30,8 +30,8 @@
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.LinkedList;
-
 import java.util.Objects;
+
 import org.apache.commons.configuration2.ConfigurationAssert;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;