diff --git a/test/mjsunit/mjsunit.status b/test/mjsunit/mjsunit.status
index 0b069cc..8eb59b7 100644
--- a/test/mjsunit/mjsunit.status
+++ b/test/mjsunit/mjsunit.status
@@ -34,8 +34,18 @@
 # too long to run in debug mode on ARM.
 fuzz-natives: PASS, SKIP if ($mode == release || $arch == arm)
 
+# Issue 494: new snapshot code breaks mjsunit/apply on mac debug snapshot.
+apply: PASS, FAIL if ($system == macos && $mode == debug)
+
 big-object-literal: PASS, SKIP if ($arch == arm)
 
+# Issue 488: this test sometimes times out.
+array-constructor: PASS || TIMEOUT
+
+# Very slow on ARM, contains no architecture dependent code.
+unicode-case-overoptimization: PASS, TIMEOUT if ($arch == arm)
+
+
 [ $arch == arm ]
 
 # Slow tests which times out in debug mode.
@@ -46,9 +56,9 @@
 # Flaky test that can hit compilation-time stack overflow in debug mode.
 unicode-test: PASS, (PASS || FAIL) if $mode == debug
 
-# Bug number 130 http://code.google.com/p/v8/issues/detail?id=130
-# Fails on real ARM hardware but not on the simulator.
-string-compare-alignment: PASS || FAIL
-
 # Times out often in release mode on ARM.
 array-splice: PASS || TIMEOUT
+
+# Skip long running test in debug mode on ARM.
+string-indexof-2: PASS, SKIP if $mode == debug
+