Add tests verifying the behavior of nested effects and computeds

[andrewiggins]

Specifically tests creating and passing computed between components

[changeset-bot]

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[andrewiggins]

@developit Does this test capture the behavior we've spoken about in some of our meetings re: creating and passing down computed values. Just figured I'd add a test to ensure the core integration libraries have the behavior we expect.

[github-actions]

Size Change: 0 B

Total Size: 68.9 kB

ℹ️ View Unchanged

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packages/core/dist/signals-core.js	1.48 kB
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packages/react/dist/signals.js	1.21 kB
packages/react/dist/signals.mjs	1.15 kB

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