update tests

test/runtime/samples/binding-select-initial-value-undefined/_config.js

@@ -5,9 +5,9 @@ export default {
 		<p>selected: a</p>
 
 		<select>
-			<option>a</option>
+			<option value='a'>a</option>
-			<option>b</option>
+			<option value='b'>b</option>
-			<option>c</option>
+			<option value='c'>c</option>
 		</select>
 
 		<p>selected: a</p>

test/runtime/samples/binding-select-initial-value/_config.js

@@ -3,9 +3,9 @@ export default {
 		<p>selected: b</p>
 
 		<select>
-			<option>a</option>
+			<option value='a'>a</option>
-			<option>b</option>
+			<option value='b'>b</option>
-			<option>c</option>
+			<option value='c'>c</option>
 		</select>
 
 		<p>selected: b</p>

test/runtime/samples/binding-select-late/_config.js

@@ -22,9 +22,9 @@ export default {
 
 		assert.htmlEqual( target.innerHTML, `
 			<select>
-				<option>one</option>
+				<option value='one'>one</option>
-				<option>two</option>
+				<option value='two'>two</option>
-				<option>three</option>
+				<option value='three'>three</option>
 			</select>
 			<p>selected: two</p>
 		` );

test/runtime/samples/binding-select/_config.js

@@ -3,9 +3,9 @@ export default {
 		<p>selected: one</p>
 
 		<select>
-			<option>one</option>
+			<option value='one'>one</option>
-			<option>two</option>
+			<option value='two'>two</option>
-			<option>three</option>
+			<option value='three'>three</option>
 		</select>
 
 		<p>selected: one</p>
@@ -32,9 +32,9 @@ export default {
 			<p>selected: two</p>
 
 			<select>
-				<option>one</option>
+				<option value='one'>one</option>
-				<option>two</option>
+				<option value='two'>two</option>
-				<option>three</option>
+				<option value='three'>three</option>
 			</select>
 
 			<p>selected: two</p>