diff --git a/packages/web3-eth-contract/test/integration/local_account/contract_deploy.test.ts b/packages/web3-eth-contract/test/integration/local_account/contract_deploy.test.ts
index b1418d08231..7938636d8cb 100644
--- a/packages/web3-eth-contract/test/integration/local_account/contract_deploy.test.ts
+++ b/packages/web3-eth-contract/test/integration/local_account/contract_deploy.test.ts
@@ -20,9 +20,8 @@ import Web3 from 'web3';
 // eslint-disable-next-line import/no-extraneous-dependencies
 import { Web3Account } from 'web3-eth-accounts';
 import { GreeterBytecode, GreeterAbi } from '../../shared_fixtures/build/Greeter';
-import { getSystemTestProvider, createLocalAccount, isWs } from '../../fixtures/system_test_utils';
+import { getSystemTestProvider, createLocalAccount } from '../../fixtures/system_test_utils';
 import { Contract } from '../../../src';
-import { sleep } from '../../shared_fixtures/utils';
 
 describe('contract', () => {
 	describe('deploy', () => {
@@ -118,23 +117,30 @@ describe('contract', () => {
 
 		it('should emit the "confirmation" event', async () => {
 			const confirmationHandler = jest.fn();
-
-			await contract
+			const promievent = contract
 				.deploy(deployOptions)
-				.send(sendOptions)
-				.on('confirmation', confirmationHandler);
+				.send(sendOptions);
+			const receiptPromise = new Promise<void>((resolve) => {
+				 // eslint-disable-next-line @typescript-eslint/no-floating-promises
+				 promievent
+					.on('receipt', () => {
+						resolve()
+					})
+			})
 
-			// Wait for sometime to allow the transaction to be processed
-			await sleep(500);
+			const confirmationPRomise = new Promise<void>((resolve) => {
+				// eslint-disable-next-line @typescript-eslint/no-floating-promises
+				promievent
+				.on('confirmation',  () => {confirmationHandler(); resolve();})
+			})
+			await promievent;
+			await receiptPromise;
 
 			// Deploy once again to trigger block mining to trigger confirmation
 			// We can send any other transaction as well
 			await contract.deploy(deployOptions).send(sendOptions);
 
-			// Wait for some fraction of time to trigger the handler
-			// On http we use polling to get confirmation, so wait a bit longer
-			await sleep(isWs ? 500 : 2000);
-
+			await confirmationPRomise;
 			// eslint-disable-next-line jest/no-standalone-expect
 			expect(confirmationHandler).toHaveBeenCalled();
 		});
diff --git a/packages/web3-eth/test/integration/subscription_logs.test.ts b/packages/web3-eth/test/integration/subscription_logs.test.ts
index 469f3bb88eb..748aadab99c 100644
--- a/packages/web3-eth/test/integration/subscription_logs.test.ts
+++ b/packages/web3-eth/test/integration/subscription_logs.test.ts
@@ -93,7 +93,7 @@ describeIf(isSocket)('subscription', () => {
 
 			let count = 0;
 
-			const pr = new Promise((resolve: Resolve, reject) => {
+			const pr = new Promise((resolve: Resolve) => {
 				sub.on('data', (data: any) => {
 					count += 1;
 					const decodedData = decodeEventABI(
@@ -106,13 +106,12 @@ describeIf(isSocket)('subscription', () => {
 						resolve();
 					}
 				});
-				sub.on('error', reject);
+			});
 
-				makeFewTxToContract({
-					contract: contractDeployed,
-					sendOptions,
-					testDataString,
-				}).catch(e => reject(e));
+			await makeFewTxToContract({
+				contract: contractDeployed,
+				sendOptions,
+				testDataString,
 			});
 
 			await pr;
diff --git a/packages/web3/test/integration/web3.test.ts b/packages/web3/test/integration/web3.test.ts
index 356a5f3d917..18a49dd0fcc 100644
--- a/packages/web3/test/integration/web3.test.ts
+++ b/packages/web3/test/integration/web3.test.ts
@@ -20,9 +20,9 @@ import HttpProvider from 'web3-providers-http';
 import { IpcProvider } from 'web3-providers-ipc';
 import WebSocketProvider from 'web3-providers-ws';
 import { JsonRpcOptionalRequest, SupportedProviders, Web3BaseProvider } from 'web3-types';
-import Web3 from '../../src/index';
+import { Web3 } from '../../src/index';
 import { BasicAbi } from '../shared_fixtures/Basic';
-import { GreeterAbi, GreeterBytecode } from '../shared_fixtures/build/Greeter';
+import { GreeterAbi } from '../shared_fixtures/build/Greeter';
 import { validEncodeParametersData } from '../shared_fixtures/data';
 import {
 	closeOpenConnection,
@@ -35,7 +35,7 @@ import {
 	isSocket,
 	isWs,
 	itIf,
-	waitForOpenConnection,
+	waitForOpenConnection
 } from '../shared_fixtures/system_tests_utils';
 
 /* eslint-disable jest/no-standalone-expect */
@@ -55,7 +55,11 @@ describe('Web3 instance', () => {
 		accounts = [acc1.address, acc2.address];
 	});
 	afterAll(async () => {
-		await closeOpenConnection(web3);
+		try {
+			await closeOpenConnection(web3);
+		} catch (e) {
+			console.warn("Failed to close open con", e)
+		}
 	});
 
 	beforeEach(() => {
@@ -303,25 +307,18 @@ describe('Web3 instance', () => {
 
 	describe('defaults', () => {
 		let contract: Contract<typeof GreeterAbi>;
-		let deployOptions: Record<string, unknown>;
-		let sendOptions: Record<string, unknown>;
-		let acc: { address: string; privateKey: string };
 
 		beforeAll(() => {
 			web3 = new Web3(provider);
 		});
 
-		beforeEach(async () => {
-			acc = await createTempAccount();
-
-			// todo import GreeterBytecode
-			deployOptions = {
-				data: GreeterBytecode,
-				arguments: ['My Greeting'],
-			};
-
-			sendOptions = { from: acc.address, gas: '1000000' };
-		});
+		afterAll(() => {
+			try {
+				web3.provider?.disconnect();
+			} catch (e) {
+				// ignored
+			}
+		})
 
 		it('should update defaults on contract instance', () => {
 			const hardfork = 'berlin';
@@ -334,20 +331,12 @@ describe('Web3 instance', () => {
 			web3.defaultHardfork = hardfork;
 
 			expect(contract.defaultHardfork).toBe(hardfork);
+			try {
+				contract.provider?.disconnect();
+			} catch (e) {
+				// ignored
+			}
 		});
 
-		it('should update defaults on deployed contract instance', async () => {
-			const hardfork = 'berlin';
-
-			contract = new web3.eth.Contract(GreeterAbi, undefined, {
-				provider: getSystemTestProvider(),
-				syncWithContext: true,
-			});
-			contract = await contract.deploy(deployOptions).send(sendOptions);
-
-			web3.defaultHardfork = hardfork;
-
-			expect(contract.defaultHardfork).toBe(hardfork);
-		});
 	});
 });