Fixed the tests to run on my machine.
Fixed the tests to run on my machine.

Require mocha first to prevent
  uninitialized constant Test::Unit::TestResult::TestResultFailureSupport
Do not use with(includes), it is unknown on BasicTest
  (may be a consequence of the 'require' reordering??)
Explicitly assert_nothing_raised so that we have at least 1 assertion.

mvidner/net-observer