diff --git a/tests/plugins/plugin-animation.test.js b/tests/plugins/plugin-animation.test.js
index 578bac4f..3b417c5e 100644
--- a/tests/plugins/plugin-animation.test.js
+++ b/tests/plugins/plugin-animation.test.js
@@ -20,7 +20,8 @@ describe('animation plugin', function(){
 
 		var trial = {
 			type: 'animation',
-			stimuli: animation_sequence
+			stimuli: animation_sequence,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
diff --git a/tests/plugins/plugin-categorize-animation.test.js b/tests/plugins/plugin-categorize-animation.test.js
index f8134389..1beb112e 100644
--- a/tests/plugins/plugin-categorize-animation.test.js
+++ b/tests/plugins/plugin-categorize-animation.test.js
@@ -18,7 +18,8 @@ describe('categorize-animation plugin', function(){
 		var trial = {
 			type: 'categorize-animation',
 			stimuli: ['img/happy_face_1.jpg', 'img/sad_face_1.jpg'],
-			key_answer: 68
+			key_answer: 68,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -37,7 +38,8 @@ describe('categorize-animation plugin', function(){
 			type: 'categorize-animation',
 			stimuli: ['img/happy_face_1.jpg', 'img/sad_face_1.jpg'],
 			key_answer: 68,
-			prompt: "<p>Press d if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>"
+			prompt: "<p>Press d if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -55,7 +57,8 @@ describe('categorize-animation plugin', function(){
 			stimuli: ['img/happy_face_1.jpg', 'img/sad_face_1.jpg'],
 			key_answer: 68,
 			choices: [68, 83],
-			prompt: "<p>Press d if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>"
+			prompt: "<p>Press d if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -75,7 +78,8 @@ describe('categorize-animation plugin', function(){
 			stimuli: ['img/happy_face_1.jpg', 'img/sad_face_1.jpg'],
 			key_answer: 68,
 			choices: [68, 83],
-			prompt: "<p>Press d if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>"
+			prompt: "<p>Press d if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -98,7 +102,8 @@ describe('categorize-animation plugin', function(){
     		text_answer: 'different',
     		correct_text: "<p>Correct. The faces had %ANS% expressions.</p>",
     		incorrect_text: "<p>Incorrect. The faces had %ANS% expressions.</p>",
-    		prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
   		};
 
   		jsPsych.init({
@@ -120,7 +125,8 @@ describe('categorize-animation plugin', function(){
     		choices: [68, 83],
     		correct_text: "<p>You pressed the correct key</p>",
     		incorrect_text: "<p>Incorrect.</p>",
-    		prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
   		};
 
   		jsPsych.init({
@@ -142,7 +148,8 @@ describe('categorize-animation plugin', function(){
     		choices: [68, 83],
     		correct_text: "<p>You pressed the correct key</p>",
     		incorrect_text: "<p>Incorrect. You pressed the wrong key.</p>",
-    		prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
   		};
 
   		jsPsych.init({
@@ -165,7 +172,8 @@ describe('categorize-animation plugin', function(){
     		frame_time: 1000,
     		correct_text: "<p>You pressed the correct key</p>",
     		incorrect_text: "<p>Incorrect. You pressed the wrong key.</p>",
-    		prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
   		};
 
   		jsPsych.init({
@@ -191,7 +199,8 @@ describe('categorize-animation plugin', function(){
     		sequence_reps: 2,
     		correct_text: "<p>You pressed the correct key</p>",
     		incorrect_text: "<p>Incorrect. You pressed the wrong key.</p>",
-    		prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
   		};
 
   		jsPsych.init({
@@ -220,7 +229,8 @@ describe('categorize-animation plugin', function(){
     		correct_text: "<p>You pressed the correct key</p>",
     		incorrect_text: "<p>Incorrect. You pressed the wrong key.</p>",
     		prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
-    		allow_response_before_complete: true,
+			allow_response_before_complete: true,
+			render_on_canvas: false
   		};
 
   		jsPsych.init({
@@ -244,7 +254,8 @@ describe('categorize-animation plugin', function(){
     		feeback_duration: 500,
     		correct_text: "<p>You pressed the correct key</p>",
     		incorrect_text: "<p>Incorrect. You pressed the wrong key.</p>",
-    		prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			prompt: "<p>Press D if the faces had different emotional expressions. Press S if the faces had the same emotional expression.</p>",
+			render_on_canvas: false
   		};
 
   		jsPsych.init({
diff --git a/tests/plugins/plugin-image-button-response.test.js b/tests/plugins/plugin-image-button-response.test.js
index 3624f1ee..3efa3dab 100644
--- a/tests/plugins/plugin-image-button-response.test.js
+++ b/tests/plugins/plugin-image-button-response.test.js
@@ -18,7 +18,8 @@ describe('image-button-response', function(){
 		var trial = {
 			type: 'image-button-response',
 			stimulus: '../media/blue.png',
-			choices: ['button-choice']
+			choices: ['button-choice'],
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -33,7 +34,8 @@ describe('image-button-response', function(){
 		var trial = {
 			type: 'image-button-response',
 			stimulus: '../media/blue.png',
-			choices: ['button-choice1', 'button-choice2']
+			choices: ['button-choice1', 'button-choice2'],
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -51,6 +53,7 @@ describe('image-button-response', function(){
 			stimulus: '../media/blue.png',
 			choices: ['buttonChoice'],
 			button_html: '<button class="jspsych-custom-button">%choice%</button>',
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -65,7 +68,8 @@ describe('image-button-response', function(){
 		var trial = {
 			type: 'image-button-response',
 			stimulus: '../media/blue.png',
-		    choices: ['button-choice'],
+			choices: ['button-choice'],
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -85,7 +89,8 @@ describe('image-button-response', function(){
 			type: 'image-button-response',
 			stimulus: '../media/blue.png',
 			choices: ['button-choice'],
-			prompt: '<p>This is a prompt</p>'
+			prompt: '<p>This is a prompt</p>',
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -101,7 +106,8 @@ describe('image-button-response', function(){
 			type: 'image-button-response',
 			stimulus: '../media/blue.png',
 			choices: ['button-choice'],
-			stimulus_duration: 500
+			stimulus_duration: 500,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -119,7 +125,8 @@ describe('image-button-response', function(){
 			type: 'image-button-response',
 			stimulus: '../media/blue.png',
 			choices: ['f','j'],
-			trial_duration: 500
+			trial_duration: 500,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -138,6 +145,7 @@ describe('image-button-response', function(){
 			stimulus: '../media/blue.png',
 			choices: ['button-choice'],
 			response_ends_trial: true,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -160,7 +168,8 @@ describe('image-button-response', function(){
 			stimulus: '../media/blue.png',
 			choices: ['button-choice'],
 			response_ends_trial: false,
-			trial_duration: null
+			trial_duration: null,
+			render_on_canvas: false
 		};
 
 		jsPsych.init({
diff --git a/tests/plugins/plugin-image-keyboard-response.test.js b/tests/plugins/plugin-image-keyboard-response.test.js
index 449686ab..5535e7e4 100644
--- a/tests/plugins/plugin-image-keyboard-response.test.js
+++ b/tests/plugins/plugin-image-keyboard-response.test.js
@@ -17,7 +17,8 @@ describe('image-keyboard-response', function(){
 	test('displays image stimulus', function(){
 		var trial = {
 			type: 'image-keyboard-response',
-			stimulus: '../media/blue.png'
+			stimulus: '../media/blue.png',
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -35,6 +36,7 @@ describe('image-keyboard-response', function(){
 			type: 'image-keyboard-response',
 			stimulus: '../media/blue.png',
 			choices: ['f','j'],
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -54,7 +56,8 @@ describe('image-keyboard-response', function(){
 			type: 'image-keyboard-response',
 			stimulus: '../media/blue.png',
 			choices: ['f','j'],
-			prompt: '<div id="foo">this is a prompt</div>'
+			prompt: '<div id="foo">this is a prompt</div>',
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -72,6 +75,7 @@ describe('image-keyboard-response', function(){
 			stimulus: '../media/blue.png',
 			choices:['f','j'],
 			stimulus_duration: 500,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -91,7 +95,8 @@ describe('image-keyboard-response', function(){
 			type: 'image-keyboard-response',
 			stimulus: '../media/blue.png',
 			choices: ['f','j'],
-			trial_duration: 500
+			trial_duration: 500,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -110,6 +115,7 @@ describe('image-keyboard-response', function(){
 			stimulus: '../media/blue.png',
 			choices: ['f','j'],
 			response_ends_trial: true,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -133,7 +139,8 @@ describe('image-keyboard-response', function(){
 			stimulus: '../media/blue.png',
 			choices: ['f','j'],
 			response_ends_trial: false,
-			trial_duration: null
+			trial_duration: null,
+			render_on_canvas: false
 		};
 
 		jsPsych.init({
diff --git a/tests/plugins/plugin-image-slider-response.test.js b/tests/plugins/plugin-image-slider-response.test.js
index 9137d457..ef743866 100644
--- a/tests/plugins/plugin-image-slider-response.test.js
+++ b/tests/plugins/plugin-image-slider-response.test.js
@@ -20,6 +20,7 @@ describe('image-slider-response', function(){
 			stimulus: '../media/blue.png',
 			labels: ['left', 'right'],
 			button_label: 'button',
+			render_on_canvas: false,
 			on_load: function(){
 				expect(jsPsych.getDisplayElement().innerHTML).toMatch('<div id="jspsych-image-slider-response-stimulus"><img src="../media/blue.png"');
 				utils.clickTarget(document.querySelector('#jspsych-image-slider-response-next'));
@@ -38,7 +39,8 @@ describe('image-slider-response', function(){
 			type: 'image-slider-response',
 			stimulus: '../media/blue.png',
 			labels: ['left', 'right'],
-			button_label: 'button'
+			button_label: 'button',
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -57,7 +59,8 @@ describe('image-slider-response', function(){
 			type: 'image-slider-response',
 			stimulus: '../media/blue.png',
 			labels: ['left', 'right'],
-			button_label: 'button'
+			button_label: 'button',
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -79,6 +82,7 @@ describe('image-slider-response', function(){
 			min: 2,
 			max: 10,
 			step: 2,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -99,7 +103,8 @@ describe('image-slider-response', function(){
 			stimulus: '../media/blue.png',
 			labels: ['left', 'right'],
 			button_label: 'button',
-			prompt: '<p>This is a prompt</p>'
+			prompt: '<p>This is a prompt</p>',
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -118,7 +123,8 @@ describe('image-slider-response', function(){
 			stimulus: '../media/blue.png',
 			labels: ['left', 'right'],
 			button_label: 'button',
-			stimulus_duration: 500
+			stimulus_duration: 500,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({
@@ -138,7 +144,8 @@ describe('image-slider-response', function(){
 			stimulus: '../media/blue.png',
 			labels: ['left', 'right'],
 			button_label: 'button',
-			trial_duration: 500
+			trial_duration: 500,
+			render_on_canvas: false
 
 		}
 
@@ -158,7 +165,8 @@ describe('image-slider-response', function(){
 			stimulus: '../media/blue.png',
 			labels: ['left', 'right'],
 			button_label: 'button',
-			response_ends_trial: true
+			response_ends_trial: true,
+			render_on_canvas: false
 		}
 
 		jsPsych.init({