Bug 967299: Fix async/sync issue in test_ev_certs.js, r=keeler, a=test-only

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extra : source : 31ad3271ff63efab6eb7532bb806b67264d41524
extra : amend_source : 02a02d823793c9b346f2309540f225b980d127a3
Bug 958916: Update to NSS 3.15.5 beta 3 (NSS_3_15_5_BETA3), r=me, a=sledru

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extra : source : fa127f705db1f99ca2f5899f02fa80ea49afc292
extra : amend_source : f444bb9549316401adb79c26a188b76bdab91161
Bug 958916: Update to NSS 3.15.5 release candidate 0 (NSS_3_15_5_RC0), r=me, a=sledru