Interface TestObserver

extensions/github1s/src/vscode.proposed.d.ts:2081–2109

	}

	export interface TestObserver {
		/**
		 * List of tests returned by test provider for files in the workspace.
		 */
		readonly tests: ReadonlyArray<TestItem>;

		/**
		 * An event that fires when an existing test in the collection changes, or
		 * null if a top-level test was added or removed. When fired, the consumer
		 * should check the test item and all its children for changes.
		 */
		readonly onDidChangeTest: Event<TestChangeEvent>;

		/**
		 * An event the fires when all test providers have signalled that the tests
		 * the observer references have been discovered. Providers may continue to
		 * watch for changes and cause {@link onDidChangeTest} to fire as files
		 * change, until the observer is disposed.
		 *
		 * @todo as below
		 */
		readonly onDidDiscoverInitialTests: Event<void>;

		/**
		 * Dispose of the observer, allowing VS Code to eventually tell test
		 * providers that they no longer need to update tests.
		 */
		dispose(): void;
	}

	export interface TestChangeEvent {
		/**