Layout tests

[pngwn]

Description

Some simple ones. not much here but a decent smoke:

• Closes column: refactor unit tests #13068.
• Closes row: refactor unit tests #13098.
• Closes form: refactor unit tests #13079.
• Closes group: refactor unit tests #13081.
• Closes sidebar: refactor unit tests #13099.

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[pngwn]

Missing a render children test, will add

done.

[gradio-pr-bot]

🪼 branch checks and previews

•	Name	Status	URL
	Spaces	ready!	Spaces preview
	Storybook	ready!	Storybook preview
🦄	Changes	detected!	Details

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Install Gradio from this PR

pip install https://huggingface.co/buckets/gradio/pypi-previews/resolve/7fa7895a9418e5148253b3c0fd8f97dfb3590b6a/gradio-6.11.0-py3-none-any.whl

Install Gradio Python Client from this PR

pip install "gradio-client @ git+https://github.com/gradio-app/gradio@7fa7895a9418e5148253b3c0fd8f97dfb3590b6a#subdirectory=client/python"

Install Gradio JS Client from this PR

npm install https://gradio-npm-previews.s3.amazonaws.com/7fa7895a9418e5148253b3c0fd8f97dfb3590b6a/gradio-client-2.1.0.tgz

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
@gradio/column	patch
@gradio/dataset	patch
@gradio/form	patch
@gradio/group	patch
@gradio/row	patch
@gradio/sidebar	patch
gradio	patch

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• Layout tests

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✅ Changeset approved by @pngwn

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[freddyaboulton]

LGTM @pngwn ! Great tests and fingers crossed for the e2e test fix