chore: detect setContent within goto

core/src/utils/test/playwright/page/utils/goto.ts

@@ -40,7 +40,7 @@ configs().forEach(({ config, title }) => {
     theme = options.theme;
   }
 
-  if (theme !== 'light') {
+  if (theme !== 'light' && options?.inline === undefined) {
     throw new Error(
       'The "themes" config option is only supported when using "page.setContent". Remove the theme from the config and manually set the theme in the test template.'
     );

core/src/utils/test/playwright/page/utils/set-content.ts

@@ -82,6 +82,6 @@ export const setContent = async (page: Page, html: string, testInfo: TestInfo, o
       }
     });
 
-    await page.goto(`${baseUrl}#`, options);
+    await page.goto(`${baseUrl}#`, { ...options, inline: true } as E2EPageOptions);
   }
 };

core/src/utils/test/playwright/playwright-declarations.ts

@@ -4,7 +4,13 @@ import type { TestConfig } from './generator';
 import type { EventSpy } from './page/event-spy';
 import type { LocatorOptions, E2ELocator } from './page/utils/locator';
 
-export interface E2EPageOptions extends PageOptions, TestConfig {}
+export interface E2EPageOptions extends PageOptions, TestConfig {
+  /**
+   * Indicates if the page content is set inline with `.setContent`. This setting can 
+   * only be true or not set.
+   */
+  inline?: true;
+}
 
 interface PageOptions {
   /**