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
);
    }
    public void testDotInIncludedObjectNameUnconfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().endObject(),
            builder -> builder.startObject().startObject("foo.bar").field("baz", "test").endObject().endObject(),
            singleton("foo.bar"),
            emptySet(),
            false
        );
    }
    public void testDotInIncludedObjectNameConfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().startObject("foo.bar").field("baz", "test").endObject().endObject(),
            builder -> builder.startObject().startObject("foo.bar").field("baz", "test").endObject().endObject(),
            singleton("foo.bar"),
            emptySet(),
            true
        );
    }
    public void testDotInExcludedObjectNameUnconfigured() throws IOException {
        testFilter(
            builder -> builder.startObject().startObject("foo.bar").field("baz", "test").endObject().endObject(),
            builder -> builder.startObject().startObject("foo.bar").field("baz", "test").endObject().endObject(),
            emptySet(),
            singleton("foo.bar"),
            false
        );
    }
    public void testDotInExcludedObjectNameConfigured() throws IOException {