Fix: reorder imports to satisfy clang-format and Checkstyle

Author: konduri-lakshmi-prasanna

src/test/java/com/thealgorithms/backtracking/BinaryTreePathsTest.java

@@ -2,6 +2,7 @@
 
 import org.junit.jupiter.api.Test;
 import java.util.List;
+
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;