import assertk.assertions.isNull
import java.util.Date
import java.util.TimeZone
import org.junit.jupiter.api.AfterEach
import org.junit.jupiter.api.BeforeEach
import org.junit.jupiter.api.Test

class HttpDateTest {
  private lateinit var originalDefault: TimeZone

  @BeforeEach
  fun setUp() {
    originalDefault = TimeZone.getDefault()
    // The default timezone should affect none of these tests: HTTP specified GMT, so we set it to