add test

packages/svelte/tests/compiler-errors/samples/class-state-field-static/_config.js

@@ -3,7 +3,7 @@ import { test } from '../../test';
 export default test({
 	error: {
 		code: 'invalid-state-location',
-		message: '$state() can only be used as a variable declaration initializer or a class field',
+		message: '$state() can only be used as a variable declaration initializer, a class field or a return statement if passed an object or array',
 		position: [33, 41]
 	}
 });

packages/svelte/tests/compiler-errors/samples/runes-no-rune-each/_config.js

@@ -3,6 +3,6 @@ import { test } from '../../test';
 export default test({
 	error: {
 		code: 'invalid-state-location',
-		message: '$state() can only be used as a variable declaration initializer or a class field'
+		message: '$state() can only be used as a variable declaration initializer, a class field or a return statement if passed an object or array'
 	}
 });

packages/svelte/tests/compiler-errors/samples/runes-wrong-state-placement-2/_config.js

@@ -0,0 +1,8 @@
+import { test } from '../../test';
+
+export default test({
+	error: {
+		code: 'invalid-state-location',
+		message: '$state() can only be used as a variable declaration initializer, a class field or a return statement if passed an object or array'
+	}
+});

packages/svelte/tests/compiler-errors/samples/runes-wrong-state-placement-2/main.svelte

@@ -0,0 +1,5 @@
+<script>
+	function a() {
+		return $state(1);
+	}
+</script>

packages/svelte/tests/compiler-errors/samples/runes-wrong-state-placement-2/main.svelte.js

@@ -0,0 +1,3 @@
+function a() {
+	return $state(1);
+}

packages/svelte/tests/compiler-errors/samples/runes-wrong-state-placement/_config.js

@@ -3,6 +3,6 @@ import { test } from '../../test';
 export default test({
 	error: {
 		code: 'invalid-state-location',
-		message: '$state() can only be used as a variable declaration initializer or a class field'
+		message: '$state() can only be used as a variable declaration initializer, a class field or a return statement if passed an object or array'
 	}
 });