Unmute #117893 (#117909)

This test was muted erroneously.

Author: nielsbauman

muted-tests.yml

@@ -221,8 +221,6 @@ tests:
   issue: https://github.com/elastic/elasticsearch/issues/117815
 - class: org.elasticsearch.xpack.ml.integration.DatafeedJobsRestIT
   issue: https://github.com/elastic/elasticsearch/issues/111319
-- class: org.elasticsearch.validation.DotPrefixClientYamlTestSuiteIT
-  issue: https://github.com/elastic/elasticsearch/issues/117893
 - class: org.elasticsearch.xpack.core.ml.search.SparseVectorQueryBuilderTests
   method: testToQuery
   issue: https://github.com/elastic/elasticsearch/issues/117904