[TaskManager DDS] Reorganize test file

[scottn12]

This PR reorganizes the UT file. This is done is a separate PR to reduce the number of changes in #11649.

[ChumpChief]

Makes sense, thank you for doing this!

[ChumpChief]

Rerunning failed jobs as they look unrelated.

[msfluid-bot]

⯅ @fluid-example/bundle-size-tests: +14.87 KB

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	391.83 KB	392.81 KB	⯅ +1011 Bytes
connectionState.js	680 Bytes	680 Bytes	■ No change
containerRuntime.js	191.3 KB	195.53 KB	⯅ +4.23 KB
loader.js	151.12 KB	151.06 KB	⯆ -57 Bytes
map.js	42.63 KB	47.38 KB	⯅ +4.75 KB
matrix.js	131.63 KB	134.98 KB	⯅ +3.35 KB
odspDriver.js	150.23 KB	150.11 KB	⯆ -127 Bytes
odspPrefetchSnapshot.js	38.39 KB	38.35 KB	⯆ -41 Bytes
sharedString.js	152.42 KB	154.2 KB	⯅ +1.77 KB
Total Size	1.25 MB	1.27 MB	⯅ +14.87 KB

---

Baseline commit: 6243a43

Generated by 🚫 dangerJS against c8c4ccb

[msftbot]

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