Function setup

packages/melonjs/tests/renderable.spec.js:286–293

()

	describe("postEffect pipeline integration", () => {
		const setup = () => {
			boot();
			video.init(800, 600, {
				parent: "screen",
				scale: "auto",
				renderer: video.CANVAS,
			});
		};

		it("preDraw with single effect should set customShader", () => {
			setup();