The error path is getting concatenated with relative path twice

[sswaroopgupta]

Expected behavior
The error path in the stacktrace should be correct

Actual behavior
The error path is getting concatenated with relative path twice

Steps to replicate

• Project - WrongPathInJS.zip
• npm install
• Run spec concept diagnostics.spec

Observe the error stack having multiple relative paths

TypeError: vscodeUri.file is not a function
            at Object.getFullPath (...\getgauge\gauge-lsp-tests\...\getgauge\gauge-lsp-tests\tests\util\fileExtension.js:8:22)
            at Object.startGaugeDaemon (...\getgauge\gauge-lsp-tests\tests\lsp\daemon.js:14:30)
            at Object.<anonymous> (tests\gaugeDaemon.js:4:18)

Version

Gauge version: 0.9.6.nightly-2017-12-13
Commit Hash: 571fda8

Plugins
-------
js (2.0.3.nightly-2017-12-15)