checkstyle: fix formatting

Author: alxkm

src/test/java/com/thealgorithms/strings/HammingDistanceTest.java

@@ -3,14 +3,13 @@
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
+import java.util.stream.Stream;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.CsvSource;
 import org.junit.jupiter.params.provider.MethodSource;
 
-import java.util.stream.Stream;
-
 class HammingDistanceTest {
 
     @ParameterizedTest