Depend on the first beta release of rspec-expectations

Author: hugobarauna

rspec-collection_matchers.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.test_files    = spec.files.grep(%r{^(spec|features)/})
   spec.require_paths = ["lib"]
 
-  spec.add_runtime_dependency     "rspec-expectations", ">= 2.99.0.pre"
+  spec.add_runtime_dependency     "rspec-expectations", ">= 2.99.0.beta1"
 
   spec.add_development_dependency "bundler",    "~> 1.3"
 end