code: function storeFixture() {
  
    		// Avoid overwriting user-defined values
    		if (hasOwn.call(config, "fixture")) {
    			return;
    		}
  
    		var fixture = document.getElementById("qunit-fixture");
    		if (fixture) {
    			config.fixture = fixture.innerHTML;
    		}
    	}
docs: Stores fixture HTML for resetting later