func testResetArgumentClearsSavedLogin() throws {
    app.buttons["demo-login-button"].tap()
    XCTAssertTrue(app.staticTexts["account-home"].waitForExistence(timeout: 5))

    app.terminate()

    app = XCUIApplication()
    app.launchArguments.append("-UITestResetData")
    app.launch()

    XCTAssertTrue(app.buttons["sign-in-button"].waitForExistence(timeout: 5))
}