Update solidity helpers path in unittesting

apps/remix-ide/src/app/tabs/compile-tab.js

@@ -4,8 +4,6 @@ import ReactDOM from 'react-dom'
 import { SolidityCompiler, CompileTab as CompileTabLogic, compile, parseContracts } from '@remix-ui/solidity-compiler' // eslint-disable-line
 import { ViewPlugin } from '@remixproject/engine-web'
 import * as packageJson from '../../../../../package.json'
-import publishToStorage from '../../publishToStorage'
-import { compile } from '@remix-project/remix-solidity'
 
 const EventEmitter = require('events')
 const $ = require('jquery')

libs/remix-ui/solidity-compiler/src/lib/logic/compileTabLogic.ts

@@ -12,7 +12,7 @@ const profile = {
 export class CompileTab extends Plugin {
   public compiler
   public optimize
-  public runs: number
+  public runs
   public evmVersion: string
   public compilerImport
   public event
@@ -30,7 +30,7 @@ export class CompileTab extends Plugin {
     this.compiler.set('optimize', this.optimize)
 
     this.runs = this.queryParams.get().runs
-    this.runs = this.runs || 200
+    this.runs = this.runs && this.runs !== 'undefined' ? this.runs : 200
     this.queryParams.update({ runs: this.runs })
     this.compiler.set('runs', this.runs)