@Test
public void emptyPurchases() {

    assertTrue(plusPurchaseWallet.hasActivePurchase(InAppPurchase.SmartReceiptsPlus));
    assertNull(plusPurchaseWallet.getLocalInAppManagedProduct(InAppPurchase.SmartReceiptsPlus));
    assertFalse(plusPurchaseWallet.hasActivePurchase(InAppPurchase.OcrScans50));
    assertNull(plusPurchaseWallet.getLocalInAppManagedProduct(InAppPurchase.OcrScans50));
    assertEquals(plusPurchaseWallet.getActiveLocalInAppPurchases(), Collections.emptySet());
}