Disable stashed ops tests

[scarlettjlee]

Disable these tests against the services where they always fail. This exercises an experimental feature that is not fully supported yet.

[msfluid-bot]

Code Coverage Summary

No packages impacted by the change.

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Baseline commit: c6453cb
Baseline build: 304499
Happy Coding!!

Code coverage comparison check passed!!

[msfluid-bot]

⯅ @fluid-example/bundle-size-tests: +245 Bytes

Metric Name	Baseline Size	Compare Size	Size Diff
aqueduct.js	464.03 KB	464.06 KB	⯅ +35 Bytes
azureClient.js	562.45 KB	562.5 KB	⯅ +49 Bytes
connectionState.js	724 Bytes	724 Bytes	■ No change
containerRuntime.js	261.86 KB	261.87 KB	⯅ +14 Bytes
fluidFramework.js	424.82 KB	424.84 KB	⯅ +14 Bytes
loader.js	134.17 KB	134.19 KB	⯅ +14 Bytes
map.js	42.71 KB	42.71 KB	⯅ +7 Bytes
matrix.js	148.54 KB	148.55 KB	⯅ +7 Bytes
odspClient.js	528.3 KB	528.34 KB	⯅ +49 Bytes
odspDriver.js	97.84 KB	97.86 KB	⯅ +21 Bytes
odspPrefetchSnapshot.js	42.81 KB	42.83 KB	⯅ +14 Bytes
sharedString.js	164.58 KB	164.58 KB	⯅ +7 Bytes
sharedTree.js	415.28 KB	415.29 KB	⯅ +7 Bytes
Total Size	3.36 MB	3.36 MB	⯅ +245 Bytes

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Baseline commit: c6453cb

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