@Test
    public void noCustomTabsProviders() {
        installBrowser(BROWSER1);
        installBrowser(BROWSER2);

        TwaProviderPicker.Action action = TwaProviderPicker.pickProvider(mPackageManager);

        assertEquals(LaunchMode.BROWSER, action.launchMode);
        assertEquals(BROWSER1, action.provider);
    }
Tests that in lack of any Custom Tabs or Trusted Web Activity providers, we choose Android's
preferred browser.
customtabs/junit/src/android/support/customtabs/trusted/TwaProviderPickerTest.java