Error running dummy app generator because of missing mysql lib

gistfile1.txt

foos david$ bundle exec rake refinery:testing:dummy_app
rake aborted!
dlopen(/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/mysql2-0.3.14/lib/mysql2/mysql2.bundle, 9): Library not loaded: libmysqlclient.18.dylib
  Referenced from: /Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/mysql2-0.3.14/lib/mysql2/mysql2.bundle
  Reason: image not found - /Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/mysql2-0.3.14/lib/mysql2/mysql2.bundle
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `block in require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:236:in `load_dependency'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/mysql2-0.3.14/lib/mysql2.rb:8:in `<top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/bundler-1.5.2/lib/bundler/runtime.rb:76:in `require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/bundler-1.5.2/lib/bundler/runtime.rb:76:in `block (2 levels) in require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/bundler-1.5.2/lib/bundler/runtime.rb:72:in `each'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/bundler-1.5.2/lib/bundler/runtime.rb:72:in `block in require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/bundler-1.5.2/lib/bundler/runtime.rb:61:in `each'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/bundler-1.5.2/lib/bundler/runtime.rb:61:in `require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/bundler-1.5.2/lib/bundler.rb:131:in `require'
/Users/david/refinery_test/test_app/vendor/extensions/foos/spec/dummy/config/application.rb:10:in `<top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `block in require'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:236:in `load_dependency'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:251:in `require'
/Users/david/refinery_test/test_app/vendor/extensions/foos/spec/dummy/Rakefile:5:in `<top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `load'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `block in load'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:236:in `load_dependency'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `load'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/railties-3.2.16/lib/rails/tasks/engine.rake:3:in `block (2 levels) in <top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/railties-3.2.16/lib/rails/tasks/engine.rake:2:in `block in <top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/railties-3.2.16/lib/rails/tasks/engine.rake:72:in `<top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `load'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `block in load'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:236:in `load_dependency'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/activesupport-3.2.16/lib/active_support/dependencies.rb:245:in `load'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/refinerycms-testing-2.1.1/lib/refinery/tasks/testing.rake:51:in `block (3 levels) in <top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/refinerycms-testing-2.1.1/lib/refinery/tasks/testing.rake:21:in `block (3 levels) in <top (required)>'
/Users/david/.rvm/gems/ruby-1.9.3-p448@refinery-test/gems/refinerycms-testing-2.1.1/lib/refinery/tasks/testing.rake:6:in `block (3 levels) in <top (required)>'
Tasks: TOP => load_app
(See full trace by running task with --trace)