Fix more failing UTs

Author: julian-elastic

x-pack/plugin/esql/qa/server/multi-clusters/src/javaRestTest/java/org/elasticsearch/xpack/esql/ccq/MultiClustersIT.java

@@ -422,8 +422,6 @@ public void testLikeIndex() throws Exception {
             """, includeCCSMetadata);
         var columns = List.of(Map.of("name", "c", "type", "long"), Map.of("name", "_index", "type", "keyword"));
         var values = List.of(List.of(remoteDocs.size(), REMOTE_CLUSTER_NAME + ":" + remoteIndex));
-        String resultString = Strings.toString(JsonXContent.contentBuilder().prettyPrint().map(result));
-        System.out.println(resultString);
         assertResultMapForLike(includeCCSMetadata, result, columns, values, false, false);
     }
 
@@ -437,8 +435,6 @@ public void testNotLikeIndex() throws Exception {
             """, includeCCSMetadata);
         var columns = List.of(Map.of("name", "c", "type", "long"), Map.of("name", "_index", "type", "keyword"));
         var values = List.of(List.of(localDocs.size(), localIndex));
-        String resultString = Strings.toString(JsonXContent.contentBuilder().prettyPrint().map(result));
-        System.out.println(resultString);
         assertResultMapForLike(includeCCSMetadata, result, columns, values, false, false);
     }
 
@@ -458,8 +454,6 @@ public void testLikeListIndex() throws Exception {
             """, includeCCSMetadata);
         var columns = List.of(Map.of("name", "c", "type", "long"), Map.of("name", "_index", "type", "keyword"));
         var values = List.of(List.of(remoteDocs.size(), REMOTE_CLUSTER_NAME + ":" + remoteIndex));
-        String resultString = Strings.toString(JsonXContent.contentBuilder().prettyPrint().map(result));
-        System.out.println(resultString);
         assertResultMapForLike(includeCCSMetadata, result, columns, values, false, true);
     }
 
@@ -479,8 +473,6 @@ public void testNotLikeListIndex() throws Exception {
             """, includeCCSMetadata);
         var columns = List.of(Map.of("name", "c", "type", "long"), Map.of("name", "_index", "type", "keyword"));
         var values = List.of(List.of(localDocs.size(), localIndex));
-        String resultString = Strings.toString(JsonXContent.contentBuilder().prettyPrint().map(result));
-        System.out.println(resultString);
         assertResultMapForLike(includeCCSMetadata, result, columns, values, false, true);
     }
 
@@ -500,8 +492,6 @@ public void testNotLikeListKeyWord() throws Exception {
             """, includeCCSMetadata);
         var columns = List.of(Map.of("name", "c", "type", "long"), Map.of("name", "_index", "type", "keyword"));
         var values = List.of(List.of(localDocs.size(), localIndex));
-        String resultString = Strings.toString(JsonXContent.contentBuilder().prettyPrint().map(result));
-        System.out.println(resultString);
         assertResultMapForLike(includeCCSMetadata, result, columns, values, false, true);
     }
 

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/scalar/string/regex/WildcardLikeList.java

@@ -166,9 +166,6 @@ public String getLuceneQueryDescription() {
      * Throws an {@link IllegalArgumentException} if the pattern list contains more than one pattern.
      */
     private Query translateField(String targetFieldName) {
-        if (configuration == null) {
-            throw new IllegalArgumentException("Configuration cannot be null for WildcardLikeList translation");
-        }
         return new ExpressionQuery(source(), targetFieldName, this, configuration);
     }
 }

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/io/stream/ExpressionQueryBuilder.java

@@ -73,6 +73,9 @@ public ExpressionQueryBuilder(StreamInput in) throws IOException {
     @Override
     protected void doWriteTo(StreamOutput out) throws IOException {
         out.writeString(this.fieldName);
+        if (config == null) {
+            throw new UnsupportedEncodingException("Configuration cannot be null when writing ExpressionQueryBuilder");
+        }
         config.writeTo(out);
         PlanStreamOutput planStreamOutput = new PlanStreamOutput(out, config);
         planStreamOutput.writeNamedWriteable(expression);