fix local app call

apps/remix-ide-e2e/src/local-plugin/src/app/app.tsx

@@ -21,7 +21,7 @@ import './app.css'
 const client = new RemixPlugin()
 
 function App () {
-  const [payload, setPayload] = useState<string>('["one/two/three/four/file.js","content"]')
+  const [payload, setPayload] = useState<string>('')
   const [log, setLog] = useState<any>()
   const [started, setStarted] = useState<boolean>(false)
   const [events, setEvents] = useState<any>()

package.json

@@ -72,7 +72,7 @@
     "nightwatch_local_staticAnalysis": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/staticAnalysis.spec.js --env=chrome",
     "nightwatch_local_signingMessage": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/signingMessage.test.js --env=chrome",
     "nightwatch_local_specialFunctions": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/specialFunctions.test.js --env=chrome",
-    "nightwatch_local_solidityUnitTests": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/solidityUnittests.spec.js --env=chrome",
+    "nightwatch_local_solidityUnitTests": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/solidityUnittests.spec.js --env=firefox",
     "nightwatch_local_remixd": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/remixd.test.js --env=chrome",
     "nightwatch_local_terminal": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/terminal.test.js --env=chrome",
     "nightwatch_local_gist": "npm run build:e2e && nightwatch --config dist/apps/remix-ide-e2e/nightwatch.js dist/apps/remix-ide-e2e/src/tests/gist.spec.js --env=chrome",