fix tests using new add_css methods

test/js/samples/collapses-text-around-comments/expected.js

@@ -1,7 +1,9 @@
 /* generated by Svelte vX.Y.Z */
 import {
 	SvelteComponent,
+	addCssToComponent,
 	append,
+	appendStyleIfNotPresent,
 	attr,
 	detach,
 	element,
@@ -13,11 +15,8 @@ import {
 	text
 } from "svelte/internal";
 
-function add_css() {
+function add_css(customStyleTag) {
-	var style = element("style");
+	appendStyleIfNotPresent(customStyleTag || document.head, "svelte-1a7i8ec-style", "p.svelte-1a7i8ec{color:red}");
-	style.id = "svelte-1a7i8ec-style";
-	style.textContent = "p.svelte-1a7i8ec{color:red}";
-	append(document.head, style);
 }
 
 function create_fragment(ctx) {
@@ -58,7 +57,7 @@ function instance($$self, $$props, $$invalidate) {
 class Component extends SvelteComponent {
 	constructor(options) {
 		super();
-		if (!document.getElementById("svelte-1a7i8ec-style")) add_css();
+		addCssToComponent(this, add_css, options);
 		init(this, options, instance, create_fragment, safe_not_equal, { foo: 0 });
 	}
 }

test/js/samples/css-media-query/expected.js

@@ -1,7 +1,8 @@
 /* generated by Svelte vX.Y.Z */
 import {
 	SvelteComponent,
-	append,
+	addCssToComponent,
+	appendStyleIfNotPresent,
 	attr,
 	detach,
 	element,
@@ -11,11 +12,8 @@ import {
 	safe_not_equal
 } from "svelte/internal";
 
-function add_css() {
+function add_css(customStyleTag) {
-	var style = element("style");
+	appendStyleIfNotPresent(customStyleTag || document.head, "svelte-1slhpfn-style", "@media(min-width: 1px){div.svelte-1slhpfn{color:red}}");
-	style.id = "svelte-1slhpfn-style";
-	style.textContent = "@media(min-width: 1px){div.svelte-1slhpfn{color:red}}";
-	append(document.head, style);
 }
 
 function create_fragment(ctx) {
@@ -41,7 +39,7 @@ function create_fragment(ctx) {
 class Component extends SvelteComponent {
 	constructor(options) {
 		super();
-		if (!document.getElementById("svelte-1slhpfn-style")) add_css();
+		addCssToComponent(this, add_css, options);
 		init(this, options, null, create_fragment, safe_not_equal, {});
 	}
 }