add non-spread test for attribute safety

test/server-side-rendering/samples/attribute-escaped-quotes-spread/_expected.html

@@ -0,0 +1,4 @@
+<div
+	foo="&#34;></div><script>alert(42)</script>"
+	bar="&#39;></div><script>alert(42)</script>"
+></div>

test/server-side-rendering/samples/attribute-escaped-quotes-spread/main.html

@@ -0,0 +1,16 @@
+<div {...props}></div>
+
+<script>
+
+	export default {
+		data() {
+			return {
+				props: {
+					foo: '"></div><script>alert(42)</' + 'script>',
+					bar: "'></div><script>alert(42)</" + 'script>',
+					['"></div><script>alert(42)</' + 'script>']: 'baz'
+				}
+			};
+		}
+	};
+</script>

test/server-side-rendering/samples/attribute-escaped-quotes/_expected.html

@@ -1,4 +1,3 @@
 <div
 	foo="&#34;></div><script>alert(42)</script>"
-	bar="&#39;></div><script>alert(42)</script>"
 ></div>

test/server-side-rendering/samples/attribute-escaped-quotes/main.html

@@ -1,15 +1,11 @@
-<div {...props}></div>
+<div foo={foo}></div>
 
 <script>
 
 	export default {
 		data() {
 			return {
-				props: {
-					foo: '"></div><script>alert(42)</' + 'script>',
-					bar: "'></div><script>alert(42)</" + 'script>',
-					['"></div><script>alert(42)</' + 'script>']: 'baz'
-				}
+				foo: '"></div><script>alert(42)</' + 'script>'
 			};
 		}
 	};