formatted tests arguments

Author: tejaswi0910

src/test/java/com/thealgorithms/dynamicprogramming/LongestArithmeticSubsequenceTest.java

@@ -16,13 +16,7 @@ void testGetLongestArithmeticSubsequenceLength(int[] nums, int expected) {
     }
 
     private static Stream<Arguments> provideTestCases() {
-        return Stream.of(
-            Arguments.of(new int[] {3, 6, 9, 12, 15}, 5),
-            Arguments.of(new int[] {1, 7, 10, 13, 14, 19}, 4),
-            Arguments.of(new int[] {1, 2, 3, 4}, 4),
-            Arguments.of(new int[] {}, 0), // Edge case: empty array
-            Arguments.of(new int[] {10}, 1), // Edge case: single element
-            Arguments.of(new int[] {9, 4, 7, 2, 10}, 3) // Random test case
-        );
+        return Stream.of(Arguments.of(new int[] {3, 6, 9, 12, 15}, 5), Arguments.of(new int[] {1, 7, 10, 13, 14, 19}, 4), Arguments.of(new int[] {1, 2, 3, 4}, 4),
+         Arguments.of(new int[] {}, 0), Arguments.of(new int[] {10}, 1), Arguments.of(new int[] {9, 4, 7, 2, 10}, 3));
     }
 }