Bug 947531 - Skip satchel tests on Linux due to frequent intermittent timeouts.

toolkit/components/satchel/test/mochitest.ini

@@ -1,12 +1,11 @@
 [DEFAULT]
-skip-if = buildapp == 'b2g' || e10s || toolkit == 'android'
+skip-if = toolkit == 'android' || buildapp == 'b2g' || os == 'linux' || e10s # linux - bug 947531
 support-files =
   satchel_common.js
   subtst_form_submission_1.html
   subtst_privbrowsing.html
 
 [test_bug_511615.html]
-skip-if = os == 'linux' # bug 947531
 [test_bug_787624.html]
 [test_form_autocomplete.html]
 skip-if = true # Test disabled for too many intermittent failures (bug 874429)