feat(folio): testTag AddAccountScreen

examples/folio/composeApp/src/commonMain/kotlin/app/folio/feature/account/AddAccountScreen.kt

@@ -13,6 +13,7 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import app.folio.data.Repository
 import app.folio.navigation.Navigator
@@ -59,6 +60,7 @@ fun AddAccountScreen() {
     }
 
     Screen(
+        modifier = Modifier.testTag("AddAccountScreen"),
         header = {
             Header(title = "New account", left = { BackButton(onClick = { Navigator.back(Route.Home) }) })
         },