checkstyle: fix import ordering

Author: alxkm

src/test/java/com/thealgorithms/others/EulersFunctionTest.java

@@ -3,12 +3,11 @@
 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.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.Arguments;
 import org.junit.jupiter.params.provider.MethodSource;
 
-import java.util.stream.Stream;
-
 class EulersFunctionTest {
 
     @ParameterizedTest