fix tests

Author: AlaaElattar

packages/tfchain_client/lib/src/client.dart

@@ -69,10 +69,8 @@ class QueryClient {
 
   Future<void> connect() async {
     _checkInputs();
-    if (!provider!.isConnected()) {
-      provider = Provider.fromUri(Uri.parse(url));
-      api = polkadot.Dev(provider!);
-    }
+    provider = Provider.fromUri(Uri.parse(url));
+    api = polkadot.Dev(provider!);
   }
 
   Future<void> disconnect() async {

packages/tfchain_client/test/client_test.dart

@@ -4,8 +4,10 @@ import 'package:tfchain_client/src/balances.dart';
 import 'package:tfchain_client/src/contracts.dart';
 import 'package:tfchain_client/src/dao.dart';
 import 'package:tfchain_client/src/farms.dart';
+import 'package:tfchain_client/src/kvstore.dart';
 import 'package:tfchain_client/src/nodes.dart';
 import 'package:tfchain_client/src/pricing_policies.dart';
+import 'package:tfchain_client/src/terms_and_conditions.dart';
 import 'package:tfchain_client/src/tft_bridge.dart';
 import 'package:tfchain_client/src/tft_price.dart';
 import 'package:tfchain_client/src/twins.dart';
@@ -72,6 +74,9 @@ void main() {
       expect(client.balances, isA<Balances>());
       expect(client.bridge, isA<Bridge>());
       expect(client.dao, isA<Dao>());
+      expect(client.kvStore, isA<KVStore>());
+      expect(client.nodes, isA<Nodes>());
+      expect(client.termsAndConditions, isA<TermsAndConditions>());
     });
     test('Connect', () async {
       if (client.provider!.isConnected()) {

packages/tfchain_client/test/contracts_test.dart

@@ -130,7 +130,7 @@ void main() {
 
     test('Test Create Name Contract', () async {
       contractId =
-          await client.contracts.createName(name: generateRandomString(5));
+          await client.contracts.createName(name: generateRandomString(4));
       expect(contractId, isNotNull);
     });
 

packages/tfchain_client/test/shared_setup.dart

@@ -49,7 +49,8 @@ String generateRandomString(int length) {
 
 void sharedSetup() {
   setUp(() {
-    mnemonic = Platform.environment['MNEMONIC']!;
+    mnemonic = Platform.environment['MNEMONIC'] ??
+        "secret add bag cluster deposit beach illness letter crouch position rain arctic";
     url = Platform.environment['URL'] ?? 'wss://tfchain.dev.grid.tf/ws';
     type = Platform.environment['KEYPAIR_TYPE'] ?? 'sr25519';