test: migrate RNTL Text to screen api (#2899)

Author: flexbox

boilerplate/app/components/Text.test.tsx

@@ -1,4 +1,4 @@
-import { render } from "@testing-library/react-native"
+import { render, screen } from "@testing-library/react-native"
 import { Text } from "./Text"
 
 /* This is an example component test using react-native-testing-library. For more
@@ -8,7 +8,7 @@ const testText = "Test string"
 
 describe("Text", () => {
   it("should render the component", () => {
-    const { getByText } = render(<Text text={testText} />)
-    expect(getByText(testText)).toBeDefined()
+    render(<Text text={testText} />)
+    expect(screen.getByText(testText)).toBeDefined()
   })
 })