Update test_webapp_up_commands.py

Author: seligj95

src/azure-cli/azure/cli/command_modules/appservice/tests/latest/test_webapp_up_commands.py

@@ -477,7 +477,7 @@ def test_webapp_up_dotnet6_e2e(self, resource_group):
         # the zip contains more than one projects, it is assumed that the user is in this directory
         # when he makes the webapp up.
         up_working_dir = temp_dir
-        os.chdir(os.join(up_working_dir, "WebApplication1"))
+        os.chdir(os.path.join(up_working_dir, "dotnet6-webapi-with-dependencies-up"))
 
         # test dryrun operation
         result = self.cmd('webapp up -n {} --dryrun --os-type Linux'