chore: fix ExpectType assertions

[tgriesser]

Additional details

Several $ExpectType assertions contained a colon $ExpectType: which was silently ignoring the type assertion.

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[cypress]

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Test summary

19278 • 0 • 218 • 0 • 3

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Run details

Project	cypress
Status	Passed
Commit	ae51be2
Started	Feb 28, 2022 5:41 PM
Ended	Feb 28, 2022 5:53 PM
Duration	12:08 💡
OS	Linux Debian - 10.10
Browser	Multiple

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Flakiness

	commands/net_stubbing_spec.ts		2
1	network stubbing > waiting and aliasing > can timeout waiting on a single request using "alias.request"
2	network stubbing > waiting and aliasing > can timeout waiting on a single request using "alias.request"
	cypress/proxy-logging_spec.ts		1
1	... > works with forceNetworkError

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