test: add test to ensure declative store works

test/runtime/samples/dev-accept-declarative-store/_config.js

@@ -0,0 +1,5 @@
+export default {
+	compileOptions: {
+		dev: true
+	}
+};

test/runtime/samples/dev-accept-declarative-store/main.html

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+<p>{$foo}</p>
+
+<script>
+import { Store } from '../../../../store.js';
+
+const store = new Store({ foo : "foo" });
+
+export default {
+	store : () => store,
+};
+</script>