Disabled two tests in the Mozilla test suite.

test/mozilla/mozilla.status

Index: test/mozilla/mozilla.status
diff --git a/test/mozilla/mozilla.status b/test/mozilla/mozilla.status
index 18f5d5d59f0085a9cbfb7d302544910dd7f2b70c..fc924657fd11197c1ce0f89b73d6f03900765ad9 100644
--- a/test/mozilla/mozilla.status
+++ b/test/mozilla/mozilla.status
@@ -53,6 +53,15 @@ def FAIL_OK = FAIL, OKAY
 js1_5/Regress/regress-271716-n: SKIP
 
 
+# These tests are simply wrong (i.e., they do not test what they intend
+# to test).
+# In particular, these two compare numbers to NaN with != in the current
+# version of the Mozilla tests. This is *fixed* in a later version.
+# The tests should be re-enabled when switching to a new version.
+ecma_3/Date/15.9.3.2-1: SKIP
+js1_2/function/Number: SKIP
+
+
 ##################### SLOW TESTS #####################
 
 # This takes a long time to run (~100 seconds). It should only be run
@@ -281,7 +290,9 @@ js1_5/Date/regress-301738-02: FAIL_OK
 
 # Semi-arbitrary limits in Date parser (date or month of 70+ is an error, 
 # so that only one field can be interpreted as a year). We follow JSC instead.
-ecma_3/Date/15.9.3.2-1: FAIL_OK
+# (Currently completely skipped due to bug in Mozilla test framework that
+# makes it pass).
+# ecma_3/Date/15.9.3.2-1: FAIL_OK
 
 
 # This test fails for all browsers on in the CET timezone.
@@ -578,8 +589,9 @@ js1_4/Regress/function-003: FAIL
 
 # Relies on JavaScript 1.2 / 1.3 deprecated features.
 js1_2/function/regexparg-1: FAIL
-js1_2/function/Number: FAIL
-
+# (Currently completely skipped due to bug in Mozilla test framework that
+# makes it pass).
+# js1_2/function/Number: FAIL
 
 # 'export' and 'import' are not keywords in V8.
 ecma_2/Exceptions/lexical-010: FAIL