The `AbstractXContentFilteringTestCase#testDotsAndDoubleWildcardInExcludedFieldName` test (all subclasses) is failing. It is no longer failing due to invalid JSON (that was fixed by the upgrade to jackson 2.13.0), but it looks like it is failing to apply exclusions correctly.
libs/x-content/src/test/java/org/elasticsearch/xcontent/support/filtering/AbstractXContentFilteringTestCase.java
testFilter(
            builder -> builder.startObject().endObject(),
            builder -> builder.startObject().startObject("foo.bar").field("baz", "test").endObject().endObject(),
            emptySet(),
            singleton("foo.bar"),
            true
        );
    }
    public void testDotInIncludedFieldNamePatternUnconfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().endObject(),
            builder -> builder.startObject().field("foo.bar", "test").endObject(),
            singleton(randomFrom("foo.*", "*.bar", "f*.bar", "foo.*ar", "*.*")),
            emptySet(),
            false
        );
    }
    public void testDotInIncludedFieldNamePatternConfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().field("foo.bar", "test").endObject(),
            builder -> builder.startObject().field("foo.bar", "test").endObject(),
            singleton(randomFrom("foo.*", "*.bar", "f*.bar", "foo.*ar", "*.*")),
            emptySet(),
            true
        );
    }
    public void testDotInExcludedFieldNamePatternUnconfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().field("foo.bar", "test").endObject(),
            builder -> builder.startObject().field("foo.bar", "test").endObject(),