Fix the check adding (i.e. everything))

 🐿 v2.6.0

lib/smoke/test-page.js

@@ -35,7 +35,8 @@ class TestPage {
 
 		Object.entries(options).forEach(([name, val]) => {
 			//Assume anything in options we haven't already claimed is an assertion to check
-			if(typeof this[name] === 'undefined') {
+			const reserved = ['https', 'headers', 'method', 'body', 'breakpoint'];
+			if(!reserved.includes(name)) {
 				this.check[name] = val;
 			}
 		});