fix app-template tests to work with new run-sync! return value

The example tests in the generated app template checked that the
return value of run-sync! was true (not truthy). run-sync! has been
updated to return a vector of app states. The tests have been updated
to check for a vector.
Merge pull request #43 from pedestal/fix-app-template-tests

fix app-template tests to work with new run-sync! return value