Checkstyle issue is solved

Author: Rupa-Rd

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

@@ -4,14 +4,15 @@
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
-class SubsetSumSpaceOptimizedTest {
+
+public class SubsetSumSpaceOptimizedTest {
+
     @Test
     void basicCheck() {
         assertTrue(SubsetSumSpaceOptimized.isSubsetSum(new int[] {7, 3, 2, 5, 8}, 14));
         assertTrue(SubsetSumSpaceOptimized.isSubsetSum(new int[] {4, 3, 2, 1}, 5));
         assertTrue(SubsetSumSpaceOptimized.isSubsetSum(new int[] {1, 7, 2, 9, 10}, 13));
         assertFalse(SubsetSumSpaceOptimized.isSubsetSum(new int[] {1, 2, 7, 10, 9}, 14));
         assertFalse(SubsetSumSpaceOptimized.isSubsetSum(new int[] {2, 15, 1, 6, 7}, 4));
-        
     }
 }