Test Notebook kernel provider

[rebornix]

Refs: #101963

• anyOS @sbatten
• anyOS @sana-ajani

Complexity: 3

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This month we introduced a kernel provider concept in Notebook, which can behaves similarly to language providers, it can provider available kernels for a notebook document.

vscode/src/vs/vscode.proposed.d.ts

Lines 1753 to 1757 in ccb2e96

	export interface NotebookKernelProvider<T extends NotebookKernel = NotebookKernel> {
	onDidChangeKernels?: Event<void>;
	provideKernels(document: NotebookDocument, token: CancellationToken): ProviderResult<T[]>;
	resolveKernel?(kernel: T, document: NotebookDocument, webview: NotebookCommunication, token: CancellationToken): ProviderResult<void>;
	}

Please verify:

• yo code to create a notebook provider/renderer sample (or clone https://github.com/microsoft/vscode-generator-code/tree/master/generators/app/templates/ext-notebook-renderer)
  • use INCLUDE_PROPOSED=1 yo code to be able to create a renderer with test kernel
• Create a kernel provider, which can handle the file type you registered for notebook content provider
• Test that when you return multiple kernels for a document, you can switch kernels through status bar or command "Select Kernel"
• Test that if you return a kernel with isPreferred, the kernel is picked automatically (which means it has highest order)
• Test that if you have two extensions, each of which contributes a kernel provider, users can use notebook.kernelProviderAssociations to choose which kernel provider to use by default.