Fix bug in spec that failed on Travis.

lib/cocoapods/specification/set.rb

@@ -54,7 +54,7 @@ module Pod
       end
 
       def to_s
-        "#<#{self.class.name} for `#{name}' with required version `#{required_version}'>"
+        "#<#{self.class.name} for `#{name}' with required version `#{required_version}' at `#{@pod_dir}'>"
       end
       alias_method :inspect, :to_s
 

spec/unit/source_spec.rb

@@ -19,6 +19,7 @@ describe "Pod::Source" do
   end
 
   it "returns a specification set by top level spec name" do
+    (config.repos_dir + 'repo2/RestKit').rmtree
     set = Pod::Source.search(Pod::Dependency.new('RestKit/Network'))
     set.should == Pod::Spec::Set.new(config.repos_dir + 'repo1/RestKit')
   end