Make sure MatchQueryBuilderTests only lowercases values for text fields.

Author: jtibshirani

server/src/test/java/org/elasticsearch/index/query/MatchQueryBuilderTests.java

@@ -153,7 +153,8 @@ protected void doAssertLuceneQuery(MatchQueryBuilder queryBuilder, Query query,
         MappedFieldType fieldType = context.fieldMapper(queryBuilder.fieldName());
         if (query instanceof TermQuery && fieldType != null) {
             String queryValue = queryBuilder.value().toString();
-            if (queryBuilder.analyzer() == null || queryBuilder.analyzer().equals("simple")) {
+            if (isTextField(queryBuilder.fieldName())
+                  && (queryBuilder.analyzer() == null || queryBuilder.analyzer().equals("simple"))) {
                 queryValue = queryValue.toLowerCase(Locale.ROOT);
             }
             Query expectedTermQuery = fieldType.termQuery(queryValue, context);