Move tests that should be in group spec out of namespace spec

- should be where the code lives instead

ee/spec/support/shared_examples/models/namespace_shared_examples.rb

+# frozen_string_literal: true
+
+RSpec.shared_examples 'returning the right value for free_user_cap_reached?' do
+  context 'when free user cap feature is not applied' do
+    before do
+      allow(group).to receive(:apply_free_user_cap?).and_return(false)
+    end
+
+    it { is_expected.to be_falsey }
+  end
+
+  context 'when free user cap feature is applied' do
+    before do
+      allow(group).to receive(:apply_free_user_cap?).and_return(true)
+    end
+
+    context 'when the :saas_user_caps feature flag is not enabled' do
+      it { is_expected.to be_falsey }
+    end
+
+    context 'when the :free_user_cap feature flag is enabled' do
+      before do
+        stub_feature_flags(free_user_cap: true)
+        allow(root_group).to receive(:apply_free_user_cap?).and_return(true)
+        allow(root_group).to receive(:has_free_or_no_subscription?).and_return(free_plan)
+      end
+
+      let(:free_plan) { false }
+
+      context 'when no free user cap has been set to that root ancestor' do
+        it { is_expected.to be_falsey }
+      end
+
+      context 'when a free user cap has been set to that root ancestor' do
+        let(:free_plan) { true }
+
+        before do
+          allow(root_group).to receive(:free_plan_members_count).and_return(free_plan_members_count)
+          allow(group).to receive(:root_ancestor).and_return(root_group)
+        end
+
+        context 'when the free cap is higher than the number of billable members' do
+          let(:free_plan_members_count) { 3 }
+
+          it { is_expected.to be_falsey }
+        end
+
+        context 'when the free cap is the same as the number of billable members' do
+          let(:free_plan_members_count) { ::Plan::FREE_USER_LIMIT }
+
+          it { is_expected.to be_truthy }
+        end
+
+        context 'when the free cap is lower than the number of billable members' do
+          let(:free_plan_members_count) { 6 }
+
+          it { is_expected.to be_truthy }
+        end
+      end
+    end
+  end
+end