Method add

src/extension/test/vs_test_controller.ts:124–133

(item: vs.TestItem)

	private extractRunnableNodes(items: Set<vs.TestItem>): RunnableTreeNode[] {
		const nodes: RunnableTreeNode[] = [];
		const add = (item: vs.TestItem) => {
			const node = this.nodeForItem.get(item);
			if (node instanceof RunnableTreeNode) {
				// If this node is runnable, add it.
				nodes.push(node);
			} else {
				// Otherwise, try adding children (this may be a workspace folder, project, etc.).
				item.children.forEach(add);
			}
		};
		items.forEach(add);
		return nodes;
	}