Update failing specs

Alaska now has 536 streams as opposed to 534, so I updated this
value.
The matcher `be_true` is not the same as `be true` in rspec. The
first one asserts that the test value evaluates to true. Whereas
the second one explicitly checks the compared value against `true`.
Merge pull request #2 from bwinterling/ma-update-failing-specs

Update failing specs