Fix integration tests for immediate_hydration Pro license changes (#1783)

* Fix integration tests for immediate_hydration Pro license changes

Mock Pro license validation per-test using around blocks.
Follows existing helper spec patterns.

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

* linting

* DRY

* linting

---------

Co-authored-by: Claude <[email protected]>

Author: ihabadham

spec/dummy/spec/system/integration_spec.rb

@@ -86,11 +86,24 @@ def finished_all_ajax_requests?
   include_examples "React Component", "div#my-hello-world-id"
 end
 
+shared_context "with pro features and immediate hydration" do
+  before do
+    allow(ReactOnRails::Utils).to receive(:react_on_rails_pro_licence_valid?).and_return(true)
+  end
+
+  around do |example|
+    ReactOnRails.configure { |config| config.immediate_hydration = true }
+    example.run
+    ReactOnRails.configure { |config| config.immediate_hydration = false }
+  end
+end
+
 describe "Turbolinks across pages", :js do
   subject { page }
 
+  include_context "with pro features and immediate hydration"
+
   it "changes name in message according to input" do
-    skip "Flaky test - needs investigation"
     visit "/client_side_hello_world"
     expect_change_text_in_dom_selector("#HelloWorld-react-component-0")
     click_on "Hello World Component Server Rendered, with extra options"
@@ -101,8 +114,9 @@ def finished_all_ajax_requests?
 describe "TurboStream send react component", :js do
   subject { page }
 
+  include_context "with pro features and immediate hydration"
+
   it "force load hello-world component immediately" do
-    skip "Flaky test - needs investigation"
     visit "/turbo_frame_tag_hello_world"
     click_on "send me hello-turbo-stream component"
     expect(page).to have_text "Hello, Mrs. Client Side Rendering From Turbo Stream!"