Ak.test nft mint from xch rpc (#14482)

* Mitigate flaky test

* Use already existing wallet_is_synced

chia/wallet/wallet_state_manager.py

@@ -508,7 +508,7 @@ class WalletStateManager:
 
         self.pending_tx_callback()
 
-    async def synced(self):
+    async def synced(self) -> bool:
         if len(self.server.get_connections(NodeType.FULL_NODE)) == 0:
             return False
 
@@ -516,7 +516,7 @@ class WalletStateManager:
         if latest is None:
             return False
 
-        if "simulator" in self.config.get("selected_network"):
+        if "simulator" in self.config.get("selected_network", ""):
             return True  # sim is always synced if we have a genesis block.
 
         if latest.height - await self.blockchain.get_finished_sync_up_to() > 1:

tests/wallet/nft_wallet/test_nft_bulk_mint.py

@@ -25,6 +25,7 @@ from chia.wallet.did_wallet.did_wallet import DIDWallet
 from chia.wallet.nft_wallet.nft_wallet import NFTWallet
 from chia.wallet.nft_wallet.uncurry_nft import UncurriedNFT
 from chia.wallet.util.address_type import AddressType
+from tests.util.wallet_is_synced import wallet_is_synced
 
 
 async def nft_count(wallet: NFTWallet) -> int:
@@ -887,6 +888,7 @@ async def test_nft_mint_from_xch_rpc(two_wallet_nodes: Any, trusted: Any, self_h
         spends = []
 
         for i in range(0, n, chunk):
+            await time_out_assert(20, wallet_is_synced, True, wallet_node_maker, full_node_api)
             resp: Dict[str, Any] = await client.nft_mint_bulk(
                 wallet_id=nft_wallet_maker["wallet_id"],
                 metadata_list=metadata_list[i : i + chunk],