Move shlink-web-component tests to their own folder

shlink-web-component/test/__helpers__/TestModalWrapper.tsx

@@ -0,0 +1,14 @@
+import type { FC, ReactElement } from 'react';
+import { useToggle } from '../../src/utils/helpers/hooks';
+
+interface RenderModalArgs {
+  isOpen: boolean;
+  toggle: () => void;
+}
+
+export const TestModalWrapper: FC<{ renderModal: (args: RenderModalArgs) => ReactElement }> = (
+  { renderModal },
+) => {
+  const [isOpen, toggle] = useToggle(true);
+  return renderModal({ isOpen, toggle });
+};