Fix query push test

The single value query is rewritten away.

Closes #135333

Author: nik9000

muted-tests.yml

@@ -405,9 +405,6 @@ tests:
 - class: org.elasticsearch.xpack.test.rest.XPackRestIT
   method: test {p0=analytics/nested_top_metrics_sort/terms order by top metrics numeric not null integer values}
   issue: https://github.com/elastic/elasticsearch/issues/135162
-- class: org.elasticsearch.xpack.esql.qa.single_node.PushQueriesIT
-  method: testEqualityAndOther {SEMANTIC_TEXT_WITH_KEYWORD}
-  issue: https://github.com/elastic/elasticsearch/issues/135333
 - class: org.elasticsearch.search.sort.FieldSortIT
   method: testSortMixedFieldTypes
   issue: https://github.com/elastic/elasticsearch/issues/129445

x-pack/plugin/esql/qa/server/single-node/src/javaRestTest/java/org/elasticsearch/xpack/esql/qa/single_node/PushQueriesIT.java

@@ -181,7 +181,7 @@ public void testEqualityAndOther() throws IOException {
                  * single_value_match is here because there are extra documents hiding in the index
                  * that don't have the `foo` field.
                  */
-                List.of("#FieldExistsQuery [field=foo] #single_value_match(foo)", "foo:[1 TO 1]");
+                List.of("FieldExistsQuery [field=foo]", "foo:[1 TO 1]");
         };
         ComputeSignature dataNodeSignature = switch (type) {
             case AUTO, CONSTANT_KEYWORD, KEYWORD, TEXT_WITH_KEYWORD -> ComputeSignature.FILTER_IN_QUERY;