Re-enable awaits-fix tests for a closed issue

Author: smalyshev

x-pack/plugin/esql/src/test/java/org/elasticsearch/xpack/esql/optimizer/PhysicalPlanOptimizerTests.java

@@ -7759,7 +7759,6 @@ public void testLookupJoinFieldLoadingTwoLookups() throws Exception {
         assertLookupJoinFieldNames(query, data, List.of(Set.of("bar", "baz"), Set.of("foo", "bar2", "baz2")));
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/119082")
     public void testLookupJoinFieldLoadingTwoLookupsProjectInBetween() throws Exception {
         assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V12.isEnabled());
 
@@ -7788,7 +7787,7 @@ public void testLookupJoinFieldLoadingTwoLookupsProjectInBetween() throws Except
             | LOOKUP JOIN lookup_index2 ON first_name
             | DROP b*
             """;
-        assertLookupJoinFieldNames(query, data, List.of(Set.of("foo"), Set.of("foo")));
+        assertLookupJoinFieldNames(query, data, List.of(Set.of(), Set.of("foo")));
 
         query = """
               FROM test
@@ -7800,7 +7799,6 @@ public void testLookupJoinFieldLoadingTwoLookupsProjectInBetween() throws Except
         assertLookupJoinFieldNames(query, data, List.of(Set.of("baz"), Set.of("foo", "baz2")));
     }
 
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/118778")
     public void testLookupJoinFieldLoadingDropAllFields() throws Exception {
         assumeTrue("Requires LOOKUP JOIN", EsqlCapabilities.Cap.JOIN_LOOKUP_V12.isEnabled());
 
@@ -7841,7 +7839,7 @@ private void assertLookupJoinFieldNames(
 
         assertEquals(expectedFieldNames.size(), fields.size());
         for (int i = 0; i < expectedFieldNames.size(); i++) {
-            assertEquals(expectedFieldNames.get(i), fields.get(i));
+            assertThat(fields.get(i), equalTo(expectedFieldNames.get(i)));
         }
     }
 
@@ -7920,10 +7918,14 @@ private List<Set<String>> findFieldNamesInLookupJoinDescription(LocalExecutionPl
             var matcher = expected.matcher(line);
             if (matcher.find()) {
                 String allFields = matcher.group(1);
-                Set<String> loadedFields = Arrays.stream(allFields.split(","))
-                    .map(name -> name.trim().split("\\{f}#")[0])
-                    .collect(Collectors.toSet());
-                results.add(loadedFields);
+                if (allFields.isEmpty()) {
+                    results.add(Set.of());
+                } else {
+                    Set<String> loadedFields = Arrays.stream(allFields.split(","))
+                        .map(name -> name.trim().split("\\{f}#")[0])
+                        .collect(Collectors.toSet());
+                    results.add(loadedFields);
+                }
             }
         }