diff --git a/tests/HeaderNav.test.svelte b/tests/HeaderNav.test.svelte
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diff --git a/tests/HeaderSearch.svelte b/tests/HeaderSearch.svelte
deleted file mode 100644
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diff --git a/tests/HeaderSwitcher.test.svelte b/tests/HeaderSwitcher.test.svelte
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diff --git a/tests/PersistedHamburgerMenu.test.svelte b/tests/UIShell/PersistedHamburgerMenu.test.svelte
similarity index 95%
rename from tests/PersistedHamburgerMenu.test.svelte
rename to tests/UIShell/PersistedHamburgerMenu.test.svelte
index 5992d0f8..59a1c840 100644
--- a/tests/PersistedHamburgerMenu.test.svelte
+++ b/tests/UIShell/PersistedHamburgerMenu.test.svelte
@@ -1,3 +1,5 @@
+
+
{
+ it("renders the complete header structure with persistent hamburger menu", () => {
+ render(PersistedHamburgerMenuTest);
+
+ // Verify header and company/platform name
+ const header = screen.getByRole("banner");
+ expect(header).toBeInTheDocument();
+ expect(screen.getByText("IBM")).toBeInTheDocument();
+ expect(screen.getByText("Carbon Svelte")).toBeInTheDocument();
+
+ // Verify navigation items
+ expect(screen.getAllByRole("link", { name: "Link 1" })).toHaveLength(2);
+ expect(screen.getAllByRole("link", { name: "Link 2" })).toHaveLength(2);
+ expect(screen.getAllByRole("link", { name: "Link 3" })).toHaveLength(2);
+
+ // Verify menu
+ const menu = screen.getByRole("menuitem", { name: "Menu" });
+ expect(menu).toBeInTheDocument();
+ expect(menu).toHaveAttribute("aria-haspopup", "menu");
+ expect(menu).toHaveAttribute("aria-expanded", "false");
+
+ // Verify skip to content
+ expect(
+ screen.getByRole("link", { name: "Skip to main content" }),
+ ).toBeInTheDocument();
+
+ // Verify content
+ expect(screen.getByRole("main")).toBeInTheDocument();
+ expect(
+ screen.getByRole("heading", { name: "Welcome" }),
+ ).toBeInTheDocument();
+ });
+
+ it("renders side navigation with persistent hamburger menu", () => {
+ render(PersistedHamburgerMenuTest);
+
+ // Verify side nav is present
+ const sideNav = screen.getByRole("complementary");
+ expect(sideNav).toBeInTheDocument();
+
+ // Verify side nav links
+ const sideNavItems = sideNav.querySelectorAll(".bx--side-nav__item");
+ expect(sideNavItems).toHaveLength(4); // 3 links + 1 menu
+
+ // Verify side nav menu
+ const sideNavMenu = sideNav.querySelector(".bx--side-nav__submenu");
+ expect(sideNavMenu).toBeInTheDocument();
+ expect(sideNavMenu).toHaveAttribute("aria-expanded", "false");
+ });
+
+ it("handles side navigation state with persistent hamburger menu", async () => {
+ const { component } = render(PersistedHamburgerMenuTest);
+
+ // Initial state
+ expect(component.isSideNavOpen).toBe(false);
+
+ // Simulate opening side nav
+ component.isSideNavOpen = true;
+ await new Promise((resolve) => setTimeout(resolve, 0));
+
+ // Verify header has expanded class
+ const header = screen.getByRole("banner");
+ expect(header).toHaveClass("bx--header--expanded");
+
+ // Verify side nav is expanded
+ const sideNav = screen.getByRole("complementary");
+ expect(sideNav).toHaveClass("bx--side-nav--expanded");
+ });
+
+ it("handles navigation menu interaction in side nav", async () => {
+ render(PersistedHamburgerMenuTest);
+
+ // Open side nav first
+ const { component } = render(PersistedHamburgerMenuTest);
+ component.isSideNavOpen = true;
+ await new Promise((resolve) => setTimeout(resolve, 0));
+
+ const menu = screen
+ .getByRole("complementary")
+ .querySelector(".bx--side-nav__submenu");
+ await user.click(menu!);
+
+ // Verify menu is expanded
+ expect(menu).toHaveAttribute("aria-expanded", "true");
+
+ // Verify menu items are visible
+ const menuItems = screen
+ .getByRole("complementary")
+ .querySelectorAll(".bx--side-nav__item");
+ expect(menuItems).toHaveLength(7); // 3 main items + menu + 3 submenu items
+ });
+});