Fix UTs and Unmute (#137190)

ESQL: Fix failing UTs and Unmute

Author: julian-elastic

muted-tests.yml

@@ -501,18 +501,6 @@ tests:
 - class: org.elasticsearch.xpack.esql.qa.single_node.GenerativeMetricsIT
   method: test
   issue: https://github.com/elastic/elasticsearch/issues/137071
-- class: org.elasticsearch.xpack.esql.plugin.MatchFunctionIT
-  method: testMatchWithLookupJoinOnMatch
-  issue: https://github.com/elastic/elasticsearch/issues/137137
-- class: org.elasticsearch.xpack.esql.qa.multi_node.EsqlSpecIT
-  method: test {csv-spec:lookup-join-expression.LookupJoinExpressionWithTerm}
-  issue: https://github.com/elastic/elasticsearch/issues/137157
-- class: org.elasticsearch.xpack.esql.qa.single_node.EsqlSpecIT
-  method: test {csv-spec:lookup-join-expression.LookupJoinExpressionWithTerm}
-  issue: https://github.com/elastic/elasticsearch/issues/137157
-- class: org.elasticsearch.xpack.esql.qa.single_node.GenerativeForkIT
-  method: test {csv-spec:lookup-join-expression.LookupJoinExpressionWithTerm}
-  issue: https://github.com/elastic/elasticsearch/issues/137160
 - class: org.elasticsearch.cluster.routing.allocation.decider.WriteLoadConstraintDeciderIT
   method: testCanRemainNotPreferredIsIgnoredWhenAllOtherNodesReturnNotPreferred
   issue: https://github.com/elastic/elasticsearch/issues/137162

x-pack/plugin/esql/qa/testFixtures/src/main/resources/lookup-join-expression.csv-spec

@@ -957,6 +957,7 @@ id_left:integer | name_left:keyword | other1_from_first_join:keyword | other1:ke
 lookupJoinExpressionWithTerm
 required_capability: join_lookup_v12
 required_capability: lookup_join_with_full_text_function
+required_capability: term_function
 
 FROM multi_column_joinable
 | RENAME id_int AS id_left, is_active_bool AS is_active_left
@@ -1016,6 +1017,7 @@ id_left:integer | name_str:keyword | extra1:keyword | other1:keyword | other2:in
 lookupJoinExpressionWithMultiMatch
 required_capability: join_lookup_v12
 required_capability: lookup_join_with_full_text_function
+required_capability: multi_match_function
 
 FROM multi_column_joinable
 | RENAME id_int AS id_left, is_active_bool AS is_active_left, name_str AS name_str_left

x-pack/plugin/esql/src/internalClusterTest/java/org/elasticsearch/xpack/esql/plugin/MatchFunctionIT.java

@@ -319,6 +319,7 @@ public void testMatchWithLookupJoinOnMatch() {
             | rename id as id_left
             | LOOKUP JOIN test_lookup ON id_left == id and MATCH(lookup_content, "fox")
             | WHERE id > 0
+            | SORT id, id_left, content, lookup_content
             """;
         try (var resp = run(query)) {
             assertColumnNames(resp.columns(), List.of("content", "id_left", "id", "lookup_content"));