[supervisor] Add unit tests for task composition

[csweichel]

This PR adds a bunch of unit tests to ensure we're executing the correct set of tasks given any workspace setting.

fixes #4838

[csweichel]

/werft run no-preview

👍 started the job as gitpod-build-csweichel-init-not-working-as-expected-4838.1

[codecov]

Codecov Report

Merging #4903 (e22229c) into main (08a23d9) will increase coverage by 32.92%.
The diff coverage is 93.75%.

@@            Coverage Diff            @@
##           main    #4903       +/-   ##
=========================================
+ Coverage      0   32.92%   +32.92%     
=========================================
  Files         0       69       +69     
  Lines         0    13735    +13735     
=========================================
+ Hits          0     4522     +4522     
- Misses        0     8797     +8797     
- Partials      0      416      +416     

Flag	Coverage Δ
components-content-service-app	14.46% <ø> (?)
components-content-service-lib	14.46% <ø> (?)
components-image-builder-app	34.44% <ø> (?)
components-supervisor-app	36.98% <93.75%> (?)
components-ws-daemon-app	22.29% <ø> (?)
components-ws-manager-app	36.81% <ø> (?)
components-ws-proxy-app	67.22% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
components/supervisor/pkg/supervisor/tasks.go	55.22% <93.75%> (ø)
components/content-service/pkg/storage/noop.go	0.00% <0.00%> (ø)
components/ws-daemon/pkg/quota/mounts.go	53.19% <0.00%> (ø)
components/ws-proxy/pkg/proxy/cookies.go	78.57% <0.00%> (ø)
components/ws-daemon/pkg/content/config.go	62.50% <0.00%> (ø)
...onents/content-service/pkg/service/blob-service.go	0.00% <0.00%> (ø)
components/image-builder/pkg/resolve/resolve.go	34.44% <0.00%> (ø)
components/ws-proxy/pkg/proxy/pass.go	76.85% <0.00%> (ø)
components/ws-manager/pkg/manager/create.go	79.05% <0.00%> (ø)
components/ws-daemon/pkg/quota/size.go	87.30% <0.00%> (ø)
... and 60 more

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[akosyakov]

LGTM

[roboquat]

LGTM label has been added.

Git tree hash: 81b40d2ba1e621ad60a744ac5375c0bb66c544a5

[roboquat]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: akosyakov, csweichel

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Needs approval from an approver in each of these files:

• components/content-service/OWNERS [akosyakov,csweichel]
• components/supervisor/OWNERS [akosyakov,csweichel]

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