test: fix broken test

Author: kgryte

lib/node_modules/@stdlib/slice/seq2slice/test/test.js

@@ -1341,7 +1341,7 @@ tape( 'the function returns results satisfying the `:n + n: = :` convention', fu
 		[ [ '5::-2', 10, false ], [ 5, null, -2 ] ],
 
 		[ [ ':5:-2', 5, false ], [ 4, 5, -2 ] ],
-		[ [ '5::-2', 5, false ], [ 5, null, -2 ] ],
+		[ [ '5::-2', 5, false ], [ 4, null, -2 ] ],
 
 		[ [ ':5:-2', 0, false ], [ 0, 0, -2 ] ],
 		[ [ '5::-2', 0, false ], [ 0, 0, -2 ] ],