solve clang-format in test file also

Author: Shantanu675

src/test/java/com/thealgorithms/sorts/RecursiveInsertionSortTest.java

@@ -56,4 +56,4 @@ void testStrings() {
         String[] expected = {"apple", "banana", "cherry"};
         assertArrayEquals(expected, sorter.sort(input));
     }
-}
+}