diff --git a/test/seriously.unit.js b/test/seriously.unit.js
index 9990126..9e267b9 100644
--- a/test/seriously.unit.js
+++ b/test/seriously.unit.js
@@ -2185,6 +2185,7 @@
 				return;
 			}
 			canvas = WebGLDebugUtils.makeLostContextSimulatingCanvas(canvas);
+			canvas.setRestoreTimeout(-1);
 			ext = canvas;
 		}