Bug 987612 - The restart functional tests for 'Blocklist Extension' shouldn't fail with no network connection. r=aeftimie, r=hskupin

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rename : firefox/tests/functional/restartTests/testAddons_installUninstallHardBlocklistedExtension/test1.js => firefox/tests/functional/testAddons/testInstallUninstallHardBlocklistedExtension.js
rename : firefox/tests/functional/restartTests/testAddons_installUninstallSoftBlocklistedExtension/test1.js => firefox/tests/functional/testAddons/testInstallUninstallSoftBlocklistedExtension.js