Add a unit test

.gitea/workflows/tests.yaml

@@ -22,4 +22,4 @@ jobs:
       - name: typecheck
         run: nix develop --impure --command bash -c 'export HOME=$PWD; yarn tsc --noEmit'
       - name: test
-        run: nix develop --impure --command bash -c 'export HOME=$PWD; yarn run test'
+        run: nix develop --impure --command bash -c 'export HOME=$PWD; yarn run test --no-watchman'

App.tsx

@@ -0,0 +1,14 @@
+import React from "react";
+import { SafeAreaView, Text } from "react-native";
+
+
+const App: React.FC = () => {
+    return (
+        <SafeAreaView>
+		    <Text>Hello, World!</Text>
+		    </SafeAreaView>
+	    );
+};
+
+
+export default App;

tests/App.test.tsx

@@ -1,7 +1,7 @@
 import React from "react";
 import renderer from "react-test-renderer";
 
-import App from "./App";
+import App from "../App";
 
 
 describe("<App />", () => {