Fix solidity imports

apps/remix-ide-e2e/src/tests/solidityImport.test.ts

@@ -40,6 +40,8 @@ module.exports = {
   'Test Github Import - from other branch': function (browser: NightwatchBrowser) {
     browser
           .setSolidityCompilerVersion('soljson-v0.5.0+commit.1d4f565a.js') // switch back to 0.5.0 : release-v2.3.0 branch is not solidity 0.6 compliant
+          .clickLaunchIcon('fileExplorers')
+          .click('li[data-id="treeViewLitreeViewItembrowser/README.txt"')
           .addFile('Untitled5.sol', sources[4]['browser/Untitled5.sol'])
           .clickLaunchIcon('fileExplorers')
           .verifyContracts(['test8', 'ERC20', 'SafeMath'], {wait: 10000})
@@ -48,6 +50,8 @@ module.exports = {
   'Test Github Import - no branch specified': function (browser: NightwatchBrowser) {
     browser
           .setSolidityCompilerVersion('soljson-v0.6.2+commit.bacdbe57.js') // open-zeppelin moved to pragma ^0.6.0 (master branch)
+          .clickLaunchIcon('fileExplorers')
+          .click('li[data-id="treeViewLitreeViewItembrowser/README.txt"')
           .addFile('Untitled6.sol', sources[5]['browser/Untitled6.sol'])
           .clickLaunchIcon('fileExplorers')
           .verifyContracts(['test10', 'ERC20', 'SafeMath'], {wait: 10000})
@@ -55,6 +59,8 @@ module.exports = {
 
   'Test Github Import - raw URL': function (browser: NightwatchBrowser) {
     browser
+          .clickLaunchIcon('fileExplorers')
+          .click('li[data-id="treeViewLitreeViewItembrowser/README.txt"')
           .addFile('Untitled7.sol', sources[6]['browser/Untitled7.sol'])
           .clickLaunchIcon('fileExplorers')
           .verifyContracts(['test11', 'ERC20', 'SafeMath'], {wait: 10000})            
@@ -63,6 +69,8 @@ module.exports = {
   'Test switch to a github import from a solidity warning': function (browser: NightwatchBrowser) {
     browser
           .setSolidityCompilerVersion('soljson-v0.7.4+commit.3f05b770.js')
+          .clickLaunchIcon('fileExplorers')
+          .click('li[data-id="treeViewLitreeViewItembrowser/README.txt"')
           .addFile('Untitled8.sol', sources[7]['browser/Untitled8.sol'])
           .clickLaunchIcon('fileExplorers')
           .clickLaunchIcon('solidity')