correct MinimumWindowSubstringTest.java

Author: Anubhav-pandey004

src/test/java/com/thealgorithms/slidingwindow/MinimumWindowSubstringTest.java

@@ -16,8 +16,8 @@ public class MinimumWindowSubstringTest {
      */
     @Test
     public void testMinimumWindowSubstring() {
-        assertEquals(4, MinimumWindowSubstring.minWindow("ADOBECODEBANC", "ABC")); // "BANC"
-        assertEquals(1, MinimumWindowSubstring.minWindow("a", "a")); // "a"
-        assertEquals(0, MinimumWindowSubstring.minWindow("a", "aa")); // ""
+        assertEquals("BANC", MinimumWindowSubstring.minWindow("ADOBECODEBANC", "ABC")); // "BANC"
+        assertEquals("a", MinimumWindowSubstring.minWindow("a", "a")); // "a"
+        assertEquals("", MinimumWindowSubstring.minWindow("a", "aa")); // ""
     }
 }