fix: improve error message

[snitin315]

What kind of change does this PR introduce?
bugfix

Did you add tests for your changes?
WIP on tests
If relevant, did you update the documentation?
No
Summary

Fixes #2479

Does this PR introduce a breaking change?
No

Other information
No

[codecov]

Codecov Report

Merging #2482 (203064b) into master (7398e0c) will increase coverage by 0.05%.
The diff coverage is 83.33%.

@@            Coverage Diff             @@
##           master    #2482      +/-   ##
==========================================
+ Coverage   71.86%   71.91%   +0.05%     
==========================================
  Files          46       46              
  Lines        2182     2186       +4     
  Branches      581      583       +2     
==========================================
+ Hits         1568     1572       +4     
  Misses        614      614              

Impacted Files	Coverage Δ
packages/webpack-cli/lib/webpack-cli.js	91.84% <83.33%> (-0.09%)	⬇️
packages/webpack-cli/bin/cli.js	55.00% <0.00%> (+5.00%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7398e0c...203064b. Read the comment docs.

[alexander-akait]

Can you add test?

[snitin315]

Hard to test 😞, WIP.

[rishabh3112]

Hard to test, WIP.

Should be a simple smoketest, I am testing now and will send commits to this PR.

[rishabh3112]

Hard to test, WIP.

Should be a simple smoketest, I am testing now and will send commits to this PR.

Done.

[snitin315]

Should be a simple smoketest, I am testing now and will send commits to this PR.

Done.

Thanks 🚀

[alexander-akait]

Thanks