diff --git a/remix-tests/tests/testRunner.ts b/remix-tests/tests/testRunner.ts
index 9f7d08b9bd..3cf18875eb 100644
--- a/remix-tests/tests/testRunner.ts
+++ b/remix-tests/tests/testRunner.ts
@@ -7,78 +7,78 @@ let Compiler = require('../src/compiler.js')
 let Deployer = require('../src/deployer.js')
 import runTest, { ResultsInterface, TestCbInterface, ResultCbInterface } from '../dist/testRunner.js'
 
-function compileAndDeploy (filename: string, callback: Function) {
-    let web3: Web3 = new Web3()
-    web3.setProvider(new Provider())
-    let compilationData: object
-    let accounts: object
-    async.waterfall([
-      function getAccountList(next: Function): void {
-        web3.eth.getAccounts((_err: Error | null | undefined, _accounts: object) => {
-          accounts = _accounts
-          next(_err)
-        })
-      },
-      function compile(next: Function) {
-        Compiler.compileFileOrFiles(filename, false, {accounts}, next)
-      },
-      function deployAllContracts(compilationResult: object, next: Function): void {
-        try {
-          compilationData = compilationResult
-          Deployer.deployAll(compilationResult, web3, next)
-        } catch(e) {
-          throw e
-        }
+function compileAndDeploy(filename: string, callback: Function) {
+  let web3: Web3 = new Web3()
+  web3.setProvider(new Provider())
+  let compilationData: object
+  let accounts: object
+  async.waterfall([
+    function getAccountList(next: Function): void {
+      web3.eth.getAccounts((_err: Error | null | undefined, _accounts: object) => {
+        accounts = _accounts
+        next(_err)
+      })
+    },
+    function compile(next: Function) {
+      Compiler.compileFileOrFiles(filename, false, { accounts }, next)
+    },
+    function deployAllContracts(compilationResult: object, next: Function): void {
+      try {
+        compilationData = compilationResult
+        Deployer.deployAll(compilationResult, web3, next)
+      } catch (e) {
+        throw e
       }
-    ], function(_err: Error | null | undefined, contracts: any): void {
-      callback(null, compilationData, contracts, accounts)
-    })
-  }
-
-
-  describe('testRunner', () => {
-    describe('#runTest', () => {
-      describe('test with beforeAll', () => {
-        let filename = 'tests/examples_1/simple_storage_test.sol'
-        let tests:any[] = [], results:ResultsInterface;
-
-        before((done) => {
-          compileAndDeploy(filename, (_err: Error | null | undefined, compilationData: object, contracts: any, accounts: object) => {
-            var testCallback: TestCbInterface = (err, test) => {
-              if (err) { throw err }
-              tests.push(test)
-            }
-            var resultsCallback: ResultCbInterface = (err, _results) => {
-              if (err) { throw err }
-              results = _results
-              done()
-            }
-            runTest('MyTest', contracts.MyTest, compilationData[filename]['MyTest'], { accounts }, testCallback, resultsCallback)
-          })
-        })
+    }
+  ], function (_err: Error | null | undefined, contracts: any): void {
+    callback(null, compilationData, contracts, accounts)
+  })
+}
 
-        it('should 1 passing test', function () {
-          assert.equal(results.passingNum, 2)
-        })
 
-        it('should 1 failing test', function () {
-          assert.equal(results.failureNum, 2)
-        })
+describe('testRunner', () => {
+  describe('#runTest', () => {
+    describe('test with beforeAll', () => {
+      let filename = 'tests/examples_1/simple_storage_test.sol'
+      let tests: any[] = [], results: ResultsInterface;
 
-        it('should returns 5 messages', function () {
-          assert.deepEqual(tests, [
-            { type: 'contract',    value: 'MyTest', filename: 'tests/examples_1/simple_storage_test.sol' },
-            { type: 'testFailure', value: 'Should trigger one fail', time: 1, context: 'MyTest', errMsg: 'the test 1 fails' },
-            { type: 'testPass',    value: 'Should trigger one pass', time: 1, context: 'MyTest'},
-            { type: 'testPass',    value: 'Initial value should be100', time: 1, context: 'MyTest' },
-            { type: 'testFailure', value: 'Initial value should be200', time: 1, context: 'MyTest', errMsg: 'function returned false' }
-          ])
+      before((done) => {
+        compileAndDeploy(filename, (_err: Error | null | undefined, compilationData: object, contracts: any, accounts: object) => {
+          var testCallback: TestCbInterface = (err, test) => {
+            if (err) { throw err }
+            tests.push(test)
+          }
+          var resultsCallback: ResultCbInterface = (err, _results) => {
+            if (err) { throw err }
+            results = _results
+            done()
+          }
+          runTest('MyTest', contracts.MyTest, compilationData[filename]['MyTest'], { accounts }, testCallback, resultsCallback)
         })
       })
 
-      describe('test with beforeEach', function () {
+      it('should 1 passing test', function () {
+        assert.equal(results.passingNum, 2)
+      })
+
+      it('should 1 failing test', function () {
+        assert.equal(results.failureNum, 2)
+      })
+
+      it('should returns 5 messages', function () {
+        assert.deepEqual(tests, [
+          { type: 'contract', value: 'MyTest', filename: 'tests/examples_1/simple_storage_test.sol' },
+          { type: 'testFailure', value: 'Should trigger one fail', time: 1, context: 'MyTest', errMsg: 'the test 1 fails' },
+          { type: 'testPass', value: 'Should trigger one pass', time: 1, context: 'MyTest' },
+          { type: 'testPass', value: 'Initial value should be100', time: 1, context: 'MyTest' },
+          { type: 'testFailure', value: 'Initial value should be200', time: 1, context: 'MyTest', errMsg: 'function returned false' }
+        ])
+      })
+    })
+
+    describe('test with beforeEach', function () {
       let filename = 'tests/examples_2/simple_storage_test.sol'
-      let tests:any[] = [], results:ResultsInterface;
+      let tests: any[] = [], results: ResultsInterface;
 
       before(function (done) {
         compileAndDeploy(filename, function (_err: Error | null | undefined, compilationData: object, contracts: any, accounts: object) {
@@ -111,5 +111,102 @@ function compileAndDeploy (filename: string, callback: Function) {
         ])
       })
     })
+
+    // Test string equality
+    describe('test string equality', function () {
+      let filename = 'tests/examples_3/simple_string_test.sol'
+      let tests: any[] = [], results: ResultsInterface;
+
+      before(function (done) {
+        compileAndDeploy(filename, function (_err, compilationData, contracts, accounts) {
+          var testCallback: TestCbInterface = (err, test) => {
+            if (err) { throw err }
+            tests.push(test)
+          }
+          var resultsCallback: ResultCbInterface = (err, _results) => {
+            if (err) { throw err }
+            results = _results
+            done()
+          }
+          runTest('StringTest', contracts.StringTest, compilationData[filename]['StringTest'], { accounts }, testCallback, resultsCallback)
+          runTest('StringTest2', contracts.StringTest2, compilationData[filename]['StringTest2'], { accounts }, testCallback, resultsCallback)
+        })
+      })
+
+      it('should 2 passing tests', function () {
+        assert.equal(results.passingNum, 2)
+      })
+
+      it('should 1 failing tests', function () {
+        assert.equal(results.failureNum, 1)
+      })
+
+      it('should returns 3 messages', function () {
+        assert.deepEqual(tests, [
+          { type: 'contract', value: 'StringTest', filename: 'tests/examples_3/simple_string_test.sol' },
+          { type: 'testFailure', value: 'Value should be hello world', time: 1, context: 'StringTest', "errMsg": "initial value is not correct" },
+          { type: 'testPass', value: 'Value should not be hello wordl', time: 1, context: 'StringTest' },
+          { type: 'testPass', value: 'Initial value should be hello', time: 1, context: 'StringTest' },
+        ])
+      })
+    })
+
+    //Test signed/unsigned integer weight
+    describe('test number weight', function () {
+      let filename = 'tests/number/number_test.sol'
+      let tests: any[] = [], results: ResultsInterface;
+
+      before(function (done) {
+        compileAndDeploy(filename, function (_err, compilationData, contracts, accounts) {
+          var testCallback: TestCbInterface = (err, test) => {
+            if (err) { throw err }
+            tests.push(test)
+          }
+          var resultsCallback: ResultCbInterface = (err, _results) => {
+            if (err) { throw err }
+            results = _results
+            done()
+          }
+          runTest('IntegerTest', contracts.IntegerTest, compilationData[filename]['IntegerTest'], { accounts }, testCallback, resultsCallback)
+        })
+      })
+
+      it('should have 6 passing tests', function () {
+        assert.equal(results.passingNum, 6)
+      })
+      it('should have 2 failing tests', function () {
+        assert.equal(results.failureNum, 2)
+      })
+    })
+
+    // Test Transaction with different sender
+    describe('various sender', function () {
+      let filename = 'tests/various_sender/sender_test.sol'
+      let tests: any[] = [], results: ResultsInterface;
+
+      before(function (done) {
+        compileAndDeploy(filename, function (_err, compilationData, contracts, accounts) {
+          var testCallback: TestCbInterface = (err, test) => {
+            if (err) { throw err }
+            tests.push(test)
+          }
+          var resultsCallback: ResultCbInterface = (err, _results) => {
+            if (err) { throw err }
+            results = _results
+            done()
+          }
+
+          runTest('SenderTest', contracts.SenderTest, compilationData[filename]['SenderTest'], { accounts }, testCallback, resultsCallback)
+
+        })
+      })
+
+      it('should have 4 passing tests', function () {
+        assert.equal(results.passingNum, 4)
+      })
+      it('should have 1 failing tests', function () {
+        assert.equal(results.failureNum, 0)
+      })
     })
   })
+})