public void testEquals_null() {
    // noinspection ObjectEqualsNull
    assertFalse("An object should not be equal to null.", collection.equals(null));
  }

  // A collection should essentially never be equal to a non-collection.
  @SuppressWarnings("UndefinedEquals")
  public void testEquals_notACollection() {
    // noinspection EqualsBetweenInconvertibleTypes
    assertFalse(

      subsequently incorporated within the Work.

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      copyright license to reproduce, prepare Derivative Works of,
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      copyright license to reproduce, prepare Derivative Works of,
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      copyright license to reproduce, prepare Derivative Works of,
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      copyright license to reproduce, prepare Derivative Works of,
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      copyright license to reproduce, prepare Derivative Works of,
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