[exupdates][ios] Convert more tests to swift/nimble (#21685)

# Why

As suggested by @tsapeta, this is the new preferred method of testing.

# How

Convert.

# Test Plan

Run tests.

# Ch

[exupdates][ios] Convert more tests to swift/nimble (#21685)

# Why

As suggested by @tsapeta, this is the new preferred method of testing.

# How

Convert.

# Test Plan

Run tests.

# Checklist

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Please check the appropriate items below if they apply to your diff.
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- [ ] Documentation is up to date to reflect these changes (eg:
https://docs.expo.dev and README.md).
- [ ] Conforms with the [Documentation Writing Style
Guide](https://github.com/expo/expo/blob/main/guides/Expo%20Documentation%20Writing%20Style%20Guide.md)
- [ ] This diff will work correctly for `expo prebuild` & EAS Build (eg:
updated a module plugin).

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