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().field("foo.bar", "test").endObject(),
            singleton("f*r"),
            emptySet(),
            true
        );
    }
    public void testTwoDotsInIncludedFieldNameUnconfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().endObject(),
            builder -> builder.startObject().field("foo.bar.baz", "test").endObject(),
            singleton("foo.bar.baz"),
            emptySet(),
            false
        );
    }
    public void testTwoDotsInIncludedFieldNameConfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().field("foo.bar.baz", "test").endObject(),
            builder -> builder.startObject().field("foo.bar.baz", "test").endObject(),
            singleton("foo.bar.baz"),
            emptySet(),
            true
        );
    }
    public void testManyDotsInIncludedFieldName() throws IOException {
        String name = IntStream.rangeClosed(1, 100).mapToObj(i -> "a").collect(joining("."));
        testFilter(
            builder -> builder.startObject().field(name, "test").endObject(),