Re-enable disabled specs

[50Wliu]

When Atom 1.10.0 reaches stable the following specs should be able to be re-enabled:

autocomplete-css/spec/provider-spec.coffee

Line 113 in 72bfe5e

# TODO: Re-enable test after Atom 1.10.0 reaches stable

autocomplete-css/spec/provider-spec.coffee

Line 161 in 72bfe5e

# TODO: Re-enable after Atom 1.10.0 reaches stable

autocomplete-css/spec/provider-spec.coffee

Line 179 in 72bfe5e

# TODO: Re-enable after Atom 1.10.0 reaches stable

[50Wliu]

3e72a62