* milliseconds to execute.
   */
  private static final boolean profileTests = Boolean.getBoolean("jsr166.profileTests");

  /**
   * The number of milliseconds that tests are permitted for execution without being reported, when
   * profileTests is set.
   */
  private static final long profileThreshold = Long.getLong("jsr166.profileThreshold", 100);

  @Override

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;

/**
 * Tests {@code Profile}.
 *
 */
class ProfileTest {

    @Test
    void testHashCodeNullSafe() {
        new Profile().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new Profile().equals(null));