Add even more component tests

[thornbill]

Adds tests for ServerInput, NativeShellWebView, and VideoPlayer.

I can divide this into multiple PRs if this is too much to review.

[codecov[bot]]

Codecov Report

Merging #325 (d2a9671) into master (5ce2c13) will increase coverage by 10.97%. The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master     #325       +/-   ##
===========================================
+ Coverage   37.77%   48.75%   +10.97%     
===========================================
  Files          39       39               
  Lines         720      724        +4     
  Branches      144      145        +1     
===========================================
+ Hits          272      353       +81     
+ Misses        402      334       -68     
+ Partials       46       37        -9     

Impacted Files	Coverage Δ
components/ServerInput.js	100.00% <100.00%> (+100.00%)	:arrow_up:
components/NativeShellWebView.js	17.91% <0.00%> (+17.91%)	:arrow_up:
components/VideoPlayer.js	25.39% <0.00%> (+25.39%)	:arrow_up:

---

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 5ce2c13...d2a9671. Read the comment docs.

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
1.6% Duplication