refactor: fix checkstyle import order

src/test/java/com/thealgorithms/maths/CeilTest.java

@@ -2,12 +2,11 @@
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 
+import java.util.stream.Stream;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.CsvSource;
 import org.junit.jupiter.params.provider.MethodSource;
 
-import java.util.stream.Stream;
-
 public class CeilTest {
 
     @ParameterizedTest