Fix pointless error log for getTestAttachments

[karanjitsingh]

Error: 33264, 2020/7/10, 16:20:09:885, ExectuionManager.getTestAttachments: Error while getting attachments from C:\Users\karsin\AppData\Local\Temp\jstestadapter_runs\run_33264\1594291807752 for 2f5be9b5-c5e9-310a-6366-7915f01df20d Error: ENOENT: no such file or directory, lstat 'C:\Users\karsin\AppData\Local\Temp\jstestadapter_runs\run_33264\1594291807752\2f5be9b5-c5e9-310a-6366-7915f01df20d', Stack: Error: ENOENT: no such file or directory, lstat 'C:\Users\karsin\AppData\Local\Temp\jstestadapter_runs\run_33264\1594291807752\2f5be9b5-c5e9-310a-6366-7915f01df20d'
    at Object.lstatSync (fs.js:906:3)
    at ExecutionManager.getTestAttachments (E:\jstesttest\node_modules\jstestadapter\TestRunner\ExecutionManagers\ExecutionManager.js:135:24)
    at EventEmitter.TestCaseEnd (E:\jstesttest\node_modules\jstestadapter\TestRunner\ExecutionManagers\ExecutionManager.js:44:40)
    at EventEmitter.emit (events.js:210:5)
    at EventEmitter.emit (domain.js:475:20)
    at EventDispatcher.raise (E:\jstesttest\node_modules\jstestadapter\Environment\Node\EventDispatcher.js:35:21)
    at Event.raise (E:\jstesttest\node_modules\jstestadapter\Events\Event.js:8:77)
    at JestTestFramework.BaseTestFramework.handleTestCaseEnd (E:\jstesttest\node_modules\jstestadapter\TestRunner\TestFrameworks\BaseTestFramework.js:133:48)
    at JestTestFramework.BaseTestFramework.handleSpecResult (E:\jstesttest\node_modules\jstestadapter\TestRunner\TestFrameworks\BaseTestFramework.js:104:14)
    at E:\jstesttest\node_modules\jstestadapter\TestRunner\TestFrameworks\Jest\JestReporter.js:58:44