add delay between create contract and cancel it && add tearDown in all tests

Author: AlaaElattar

packages/tfchain_client/test/balances_test.dart

@@ -12,6 +12,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test Get Balance', () async {
       String address = "5CJrCjZvsudNoJApTGG5PKcZfhAzAyGqgSK8bysoCV2oRBMC";
       AccountInfo? accountInfo =
@@ -43,6 +47,10 @@ void main() {
       await client.connect();
     });
 
+    tearDown(() async {
+      await client.disconnect();
+    });
+
     test('Test Transfer TFTs with invalid amount', () async {
       try {
         await client.balances.transfer(

packages/tfchain_client/test/client_test.dart

@@ -21,6 +21,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Initialization', () {
       expect(queryClient.url, equals("wss://tfchain.dev.grid.tf/ws"));
       expect(queryClient.contracts, isA<QueryContracts>());
@@ -56,6 +60,10 @@ void main() {
       await client.connect();
     });
 
+    tearDown(() async {
+      await client.disconnect();
+    });
+
     test('Initialization', () {
       expect(client.url, equals("wss://tfchain.dev.grid.tf/ws"));
       expect(client.contracts, isA<Contracts>());

packages/tfchain_client/test/contracts_test.dart

@@ -13,6 +13,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test Get Deleted Contract by Id', () async {
       Contract? contract =
           await queryClient.contracts.get(contractId: BigInt.from(97897));
@@ -107,6 +111,10 @@ void main() {
       await client.connect();
     });
 
+    tearDown(() async {
+      await client.disconnect();
+    });
+
     test('Test Create Node Contract with empty data', () async {
       try {
         BigInt? contractId = await client.contracts.createNode(
@@ -128,6 +136,7 @@ void main() {
     test('Test Create Name Contract then cancel it', () async {
       BigInt? contractId = await client.contracts.createName(name: "xxx");
       expect(contractId, isNotNull);
+      await Future.delayed(Duration(seconds: 5));
       try {
         await client.contracts.cancel(contractId: contractId!);
       } catch (error) {

packages/tfchain_client/test/farms_test.dart

@@ -13,6 +13,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test Get Farm by Id', () async {
       Farm? farm = await queryClient.farms.get(id: 1);
       expect(farm, isNotNull);
@@ -38,6 +42,10 @@ void main() {
       client = Client(link, mnemonic, type);
       await client.connect();
     });
+    
+    tearDown(() async {
+      await client.disconnect();
+    });
 
     test('Test create farm', () async {
       final random = Random();

packages/tfchain_client/test/nodes_test.dart

@@ -12,6 +12,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test get Node by Id', () async {
       Node? node = await queryClient.nodes.get(id: 11);
       expect(node, isNotNull);
@@ -38,6 +42,10 @@ void main() {
       await client.connect();
     });
 
+    tearDown(() async {
+      await client.disconnect();
+    });
+
     test('Test Set Power to node not owned by me', () async {
       try {
         await client.nodes.setPower(nodeId: 72, power: true);

packages/tfchain_client/test/pricing_policies_test.dart

@@ -10,6 +10,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test Get Pricing Policy', () async {
       PricingPolicy? res = await queryClient.policies.get(id: 1);
       expect(res, isNotNull);

packages/tfchain_client/test/tft_bridge_test.dart

@@ -11,6 +11,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test Get Withdraw fee', () async {
       BigInt? fee = await queryClient.bridge.getWithdrawFee();
       expect(fee, isNotNull);
@@ -34,6 +38,10 @@ void main() {
       await client.connect();
     });
 
+    tearDown(() async {
+      await client.disconnect();
+    });
+
     test('Test swap to stellar zero TFTs', () async {
       try {
         await client.bridge.swapToStellar(

packages/tfchain_client/test/tft_price_test.dart

@@ -9,6 +9,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test Get TFT price', () async {
       final price = await queryClient.price.get();
       expect(price, isNotNull);

packages/tfchain_client/test/twins_test.dart

@@ -12,6 +12,10 @@ void main() {
       await queryClient.connect();
     });
 
+    tearDown(() async {
+      await queryClient.disconnect();
+    });
+
     test('Test Get Twin with id', () async {
       int id = 214;
       final twin = await queryClient.twins.get(id: id);
@@ -44,6 +48,10 @@ void main() {
       await client.connect();
     });
 
+    tearDown(() async {
+      await client.disconnect();
+    });
+
     test('Test Create Twin', () async {
       try {
         int? twin = await client.twins.create(relay: [], pk: []);