fix: avoid infinite loop in SwapSort (#5248)

---------

Co-authored-by: vil02 <65706193+vil02@users.noreply.github.com>

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

@@ -0,0 +1,8 @@
+package com.thealgorithms.sorts;
+
+public class SwapSortTest extends SortingAlgorithmTest {
+    @Override
+    SortAlgorithm getSortAlgorithm() {
+        return new SwapSort();
+    }
+}