Fix: Use correct HTTP verb for project enable

- Use POST instead of DELETE to enable project
- Re-record correct interactions

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    circleci (0.2.3)
+    circleci (1.0.0)
 
 GEM
   remote: https://rubygems.org/
@@ -105,4 +105,4 @@ DEPENDENCIES
   yard (~> 0.9.5, >= 0.9.5)
 
 BUNDLED WITH
-   1.12.5
+   1.13.0

lib/circleci/project.rb

@@ -84,7 +84,7 @@ def self.delete_checkout_key(username, project, fingerprint)
     # @param project  [String] - Name of project
     # @return         [CircleCi::Response] - Response object
     def self.enable(username, project)
-      CircleCi.request("/project/#{username}/#{project}/enable").delete
+      CircleCi.request("/project/#{username}/#{project}/enable").post
     end
 
     ##

spec/circleci/project_spec.rb

@@ -393,20 +393,21 @@
 
   describe 'enable' do
     context 'successfully' do
-      let(:res) { described_class.enable 'mtchavez', 'circleci' }
+      let(:res) { described_class.enable 'mtchavez', 'dotfiles' }
 
       it 'is verified by response' do
         expect(res).to be_instance_of(CircleCi::Response)
         expect(res).to be_success
       end
 
       describe 'project' do
+        let(:res) { described_class.list_checkout_keys 'mtchavez', 'dotfiles' }
         subject { res.body }
 
         it 'returns the circleci project settings' do
-          expect(subject).to be_instance_of(Hash)
-          expect(subject['ssh_keys']).not_to be_empty
-          expect(subject).to have_key 'branches'
+          expect(subject).to be_instance_of(Array)
+          expect(subject.first).to have_key('public_key')
+          expect(subject.first['type']).to eql('deploy-key')
         end
       end
     end