Rule S5863: Assertions should not compare an object to itself

assertThat(x).contains(x);
assertThat(x).containsAll(x);
assertThat(x).containsAllEntriesOf(x);
assertThat(x).containsAnyElementOf(x);
assertThat(x).containsAnyOf(x);
assertThat(x).containsExactly(x);
assertThat(x).containsExactlyElementsOf(x);
assertThat(x).containsExactlyEntriesOf(x);
assertThat(x).containsExactlyInAnyOrder(x);
assertThat(x).containsExactlyInAnyOrder(x);
assertThat(x).containsExactlyInAnyOrderEntriesOf(x);
assertThat(x).containsOnly(x);
assertThat(x).containsOnlyElementsOf(x);
assertThat(x).containsSequence(x);
assertThat(x).containsSequence(x);
assertThat(x).containsSequence(x);
assertThat(x).containsSubsequence(x);
assertThat(x).containsSubsequence(x);
assertThat(x).containsSubsequence(x);
assertThat(x).endsWith(x);
assertThat(x).endsWith(x);
assertThat(x).hasSameClassAs(x);
assertThat(x).hasSameElementsAs(x);
assertThat(x).hasSameHashCodeAs(x);
assertThat(x).hasSameSizeAs(x);
assertThat(x).hasSameSizeAs(x);
assertThat(x).hasSameSizeAs(x);
assertThat(x).isEqualTo(x);
assertThat(x).isEqualToIgnoringCase(x);
assertThat(x).isSameAs(x);
assertThat(x).startsWith(x);
assertThat(x).startsWith(x);