Fix test failure

Signed-off-by: Gao Binlong <gbinlong@amazon.com>

Author: gaobinlong

rest-api-spec/src/main/resources/rest-api-spec/test/search/190_index_prefix_search.yml

@@ -137,8 +137,8 @@ setup:
 ---
 "search index prefixes with multiple value":
   - skip:
-      version: " - 2.11.99"
-      reason: "the position_increment_gap was fixed in 2.12"
+      version: " - 2.99.99"
+      reason: "the position_increment_gap was fixed in 3.0.0"
   - do:
       search:
         rest_total_hits_as_int: true
@@ -153,8 +153,8 @@ setup:
 ---
 "search index prefixes with multiple value and custom position_increment_gap":
   - skip:
-      version: " - 2.11.99"
-      reason: "the position_increment_gap was fixed in 2.12"
+      version: " - 2.99.99"
+      reason: "the position_increment_gap was fixed in 3.0.0"
   - do:
       search:
         rest_total_hits_as_int: true

server/src/test/java/org/opensearch/index/mapper/TextFieldTypeTests.java

@@ -167,6 +167,7 @@ public void testFuzzyQuery() {
 
     public void testIndexPrefixes() {
         TextFieldType ft = createFieldType(true);
+        ft.setIndexAnalyzer(Lucene.STANDARD_ANALYZER);
         ft.setPrefixFieldType(new TextFieldMapper.PrefixFieldType(ft, "field._index_prefix", 2, 10));
 
         Query q = ft.prefixQuery("goin", CONSTANT_SCORE_REWRITE, false, randomMockShardContext());