Test finalised extension logging API

[sandy081]

Refs: #159892

• any @Tyriar
• any @alexr00

Complexity: 3

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LogOutputChannel API is now finalised. Please sanity test the API that there is no proposed check needed anymore and also make sure the documentation makes sense.

Also do the same testing for log level api in env

vscode/src/vscode-dts/vscode.d.ts

Lines 9461 to 9469 in 3df8cad

	/**
	* The current log level of the editor.
	*/
	export const logLevel: LogLevel;
	/**
	* An {@link Event} which fires when the log level of the editor changes.
	*/
	export const onDidChangeLogLevel: Event<LogLevel>;