test: adapt unit tests to HealthChat fork customizations

apps/web/test/unit-tests/components/structures/MatrixChat-test.tsx

@@ -1688,8 +1688,9 @@ describe("<MatrixChat />", () => {
             await flushPromises();
             expect(Lifecycle.attemptDelegatedAuthLogin).toHaveBeenCalled();
 
-            // should just show the welcome screen
-            await rendered.findByText("Welcome to Test");
+            // should just show the welcome screen (wait for welcome page chrome render; HealthChat's
+            // Welcome renders an EmbeddedPage body that does not load under jsdom, so assert on the chrome)
+            await rendered.findByText("Powered by Matrix");
             expect(rendered.container).toMatchSnapshot();
         });
 

apps/web/test/unit-tests/components/structures/__snapshots__/MatrixChat-test.tsx.snap

@@ -140,57 +140,12 @@ exports[`<MatrixChat /> Multi-tab lockout waits for other tab to stop during sta
             class="mx_Welcome"
           >
             <div
-              class="mx_DefaultWelcome"
+              class="mx_WelcomePage mx_WelcomePage_loggedIn"
             >
-              <a
-                class="mx_DefaultWelcome_logo"
-                href="https://element.io"
-                rel="noopener"
-                target="_blank"
-              >
-                <img
-                  alt="Test"
-                  src="themes/element/img/logos/element-logo.svg"
-                />
-              </a>
-              <h1
-                class="_typography_6v6n8_153 _font-heading-md-semibold_6v6n8_112"
-              >
-                Welcome to Test
-              </h1>
               <div
-                class="mx_DefaultWelcome_buttons"
+                class="mx_WelcomePage_body"
               >
-                <a
-                  class="_button_1nw83_8"
-                  data-kind="primary"
-                  data-size="md"
-                  href="#/login"
-                  role="link"
-                  tabindex="0"
-                >
-                  Sign in
-                </a>
-                <a
-                  class="_button_1nw83_8"
-                  data-kind="secondary"
-                  data-size="md"
-                  href="#/register"
-                  role="link"
-                  tabindex="0"
-                >
-                  Create account
-                </a>
-                <a
-                  class="_button_1nw83_8"
-                  data-kind="tertiary"
-                  data-size="md"
-                  href="#/directory"
-                  role="link"
-                  tabindex="0"
-                >
-                  Explore rooms
-                </a>
+                Couldn't load page
               </div>
             </div>
             <div