Introduce deleting of snippets via API

And update the tests to clean up resources

See https://gitlab.com/gitlab-org/quality/team-tasks/-/issues/763

qa/qa/resource/project_snippet.rb

@@ -33,12 +33,16 @@ module QA
       end
 
       def api_get_path
-        "/projects/#{project.id}/snippets/#{snippet_id}"
+        "/projects/#{project.id}/snippets/#{id}"
       end
 
       def api_post_path
         "/projects/#{project.id}/snippets"
       end
+
+      def api_delete_path
+        "/projects/#{project.id}/snippets/#{id}"
+      end
     end
   end
 end

qa/qa/resource/snippet.rb

@@ -3,7 +3,9 @@
 module QA
   module Resource
     class Snippet < Base
-      attr_accessor :title, :description, :file_content, :visibility, :file_name, :snippet_id
+      attr_accessor :title, :description, :file_content, :visibility, :file_name
+
+      attribute :id
 
       def initialize
         @title = 'New snippet title'
@@ -44,7 +46,7 @@ module QA
       end
 
       def api_get_path
-        "/snippets/#{snippet_id}"
+        "/snippets/#{id}"
       end
 
       def api_post_path
@@ -60,6 +62,10 @@ module QA
         }
       end
 
+      def api_delete_path
+        "/snippets/#{id}"
+      end
+
       def all_file_contents
         @files.insert(0, { name: @file_name, content: @file_content })
         @files.each do |file|

qa/qa/specs/features/browser_ui/3_create/snippet/add_comment_to_snippet_spec.rb

@@ -23,6 +23,11 @@ module QA
         Flow::Login.sign_in
       end
 
+      after do
+        personal_snippet&.remove_via_api!
+        project_snippet&.remove_via_api!
+      end
+
       shared_examples 'comments on snippets' do |snippet_type|
         it "adds, edits, and deletes a comment on a #{snippet_type}" do
           send(snippet_type)

qa/qa/specs/features/browser_ui/3_create/snippet/add_file_to_snippet_spec.rb

@@ -23,6 +23,11 @@ module QA
         Flow::Login.sign_in
       end
 
+      after do
+        personal_snippet&.remove_via_api!
+        project_snippet&.remove_via_api!
+      end
+
       shared_examples 'adding file to snippet' do |snippet_type|
         it "adds second file to an existing #{snippet_type} to make it multi-file" do
           send(snippet_type).visit!

qa/qa/specs/features/browser_ui/3_create/snippet/clone_push_pull_personal_snippet_spec.rb

@@ -66,6 +66,8 @@ module QA
           expect(repository.commits.first).to include('Update snippet')
           expect(repository.file_content(new_file)).to include("#{added_content}#{changed_content}")
         end
+
+        snippet.remove_via_api!
       end
 
       it 'clones, pushes, and pulls a snippet over SSH, deletes via UI', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/825' do

qa/qa/specs/features/browser_ui/3_create/snippet/clone_push_pull_project_snippet_spec.rb

@@ -67,6 +67,8 @@ module QA
           expect(repository.commits.first).to include 'Update snippet'
           expect(repository.file_content(new_file)).to include "#{added_content}#{changed_content}"
         end
+
+        snippet.remove_via_api!
       end
 
       it 'clones, pushes, and pulls a project snippet over SSH, deletes via UI', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/832' do

qa/qa/specs/features/browser_ui/3_create/snippet/copy_snippet_file_contents_spec.rb

@@ -54,6 +54,11 @@ module QA
         Flow::Login.sign_in
       end
 
+      after do
+        personal_snippet&.remove_via_api!
+        project_snippet&.remove_via_api!
+      end
+
       shared_examples 'copying snippet file contents' do |snippet_type|
         it "copies file contents of a multi-file #{snippet_type} to a comment and verifies them" do
           send(snippet_type).visit!

qa/qa/specs/features/browser_ui/3_create/snippet/delete_file_from_snippet_spec.rb

@@ -31,6 +31,11 @@ module QA
         Flow::Login.sign_in
       end
 
+      after do
+        personal_snippet&.remove_via_api!
+        project_snippet&.remove_via_api!
+      end
+
       shared_examples 'deleting file from snippet' do |snippet_type|
         it "deletes second file from an existing #{snippet_type} to make it single-file" do
           send(snippet_type).visit!

qa/qa/specs/features/browser_ui/3_create/snippet/share_snippet_spec.rb

@@ -16,6 +16,10 @@ module QA
         Flow::Login.sign_in
       end
 
+      after do
+        snippet&.remove_via_api!
+      end
+
       context 'when the snippet is public' do
         it 'can be shared with not signed-in users', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/1016' do
           snippet.visit!