test(extension-marketplace): marketplace test funcs (#9966)

* chore(tests): remove dead code

* chore(tests): remove dead code 2

* basic extension marketplace tests

* comments resolution

* fix: use id to add extension rather than name

* cleanup .closeTab

* test: pw issue

Signed-off-by: mertmit <mertmit99@gmail.com>

---------

Signed-off-by: mertmit <mertmit99@gmail.com>
Co-authored-by: mertmit <mertmit99@gmail.com>

tests/playwright/pages/Dashboard/Import/ImportTemplate.ts

@@ -71,9 +71,6 @@ export class ImportTemplatePage extends BasePage {
       httpMethodsToMatch: ['POST'],
       uiAction: () => this.get().locator('button:has-text("Import"):visible').click(),
     });
-    await this.dashboard.waitForTabRender({
-      title: tblList[0],
-    });
   }
 
   private async expandTableList(param: { index: number }) {