Combine group leave feature specs in one file

spec/features/groups/members/last_owner_cannot_leave_group_spec.rb

-require 'spec_helper'
-
-feature 'Groups > Members > Last owner cannot leave group', feature: true do
-  let(:owner) { create(:user) }
-  let(:group) { create(:group) }
-
-  background do
-    group.add_owner(owner)
-    gitlab_sign_in(owner)
-    visit group_path(group)
-  end
-
-  scenario 'user does not see a "Leave group" link' do
-    expect(page).not_to have_content 'Leave group'
-  end
-end

spec/features/groups/members/leave_group_spec.rb

+require 'spec_helper'
+
+feature 'Groups > Members > Leave group', feature: true do
+  let(:user) { create(:user) }
+  let(:other_user) { create(:user) }
+  let(:group) { create(:group) }
+
+  background do
+    gitlab_sign_in(user)
+  end
+
+  scenario 'guest leaves the group' do
+    group.add_guest(user)
+    group.add_owner(other_user)
+
+    visit group_path(group)
+    click_link 'Leave group'
+
+    expect(current_path).to eq(dashboard_groups_path)
+    expect(page).to have_content left_group_message(group)
+    expect(group.members).not_to include(user)
+  end
+
+  scenario 'guest leaves the group as last member' do
+    group.add_guest(user)
+
+    visit group_path(group)
+    click_link 'Leave group'
+
+    expect(current_path).to eq(dashboard_groups_path)
+    expect(page).to have_content left_group_message(group)
+    expect(group.members).not_to include(user)
+  end
+
+  scenario 'owner leaves the group if they is not the last owner' do
+    group.add_owner(user)
+    group.add_owner(other_user)
+
+    visit group_path(group)
+    click_link 'Leave group'
+
+    expect(current_path).to eq(dashboard_groups_path)
+    expect(page).to have_content left_group_message(group)
+    expect(group.members).not_to include(user)
+  end
+
+  scenario 'owner can not leave the group if they is a last owner' do
+    group.add_owner(user)
+
+    visit group_path(group)
+
+    expect(page).not_to have_content 'Leave group'
+
+    visit group_group_members_path(group)
+
+    expect(find(:css, '.project-members-page li', text: user.name)).not_to have_selector(:css, 'a.btn-remove')
+  end
+
+  def left_group_message(group)
+    "You left the \"#{group.name}\""
+  end
+end

spec/features/groups/members/member_leaves_group_spec.rb

-require 'spec_helper'
-
-feature 'Groups > Members > Member leaves group', feature: true do
-  let(:user) { create(:user) }
-  let(:owner) { create(:user) }
-  let(:group) { create(:group, :public) }
-
-  background do
-    group.add_owner(owner)
-    group.add_developer(user)
-    gitlab_sign_in(user)
-    visit group_path(group)
-  end
-
-  scenario 'user leaves group' do
-    click_link 'Leave group'
-
-    expect(current_path).to eq(dashboard_groups_path)
-    expect(group.users.exists?(user.id)).to be_falsey
-  end
-end