diff --git a/test/modules/tilesource.js b/test/modules/tilesource.js
index 16fbb292..2f752c4a 100644
--- a/test/modules/tilesource.js
+++ b/test/modules/tilesource.js
@@ -128,8 +128,6 @@
 
         assert.equal(tileSource.maxLevel, 12, 'The initial max level should be 12.');
 
-        tileSource.maxLevel = 9;
-
         function assertLevelScale(level, expected) {
             var actual = tileSource.getLevelScale(level);
             assert.ok(Math.abs(actual - expected) < Number.EPSILON, "The scale at level " + level +
@@ -141,6 +139,13 @@
         assertLevelScale(10, 1 / 4);
         assertLevelScale(8, 1 / 16);
         assertLevelScale(6, 1 / 64);
+
+        tileSource.setMaxLevel(9);
+
+        assertLevelScale(9, 1);
+        assertLevelScale(7, 1 / 4);
+        assertLevelScale(5, 1 / 16);
+        assertLevelScale(3, 1 / 64);
     });
 
 }());