@Test
public void getExpireAfterConcerningCaseOfCorruptHeaderAndInfinite_returnsMinusOneWhenHeaderMinusOne(TestContext testContext) throws Exception {

    // Mock
    final String headerValue = "-1";
    final MultiMap headers = createHeaderReturningSimpleValue(HTTP_HEADER_X_EXPIRE_AFTER, headerValue);
    // Trigger work
    final int returnedExpireValue = ExpiryCheckHandler.getExpireAfterConcerningCaseOfCorruptHeaderAndInfinite(headers).get();
    // Assert
    testContext.assertEquals(headerValue, "" + returnedExpireValue);
}