Adapted test case to reproduce the issue with opensearch-java (opensearch-project/opensearch-java#1513)

Signed-off-by: Andriy Redko <drreta@gmail.com>

Author: reta

spring-data-opensearch/src/test/java/org/opensearch/data/client/core/index/DynamicTemplatesContextBaseTests.java

@@ -55,13 +55,12 @@ void shouldCreateDynamicTemplateOne() {
         assertThat(operations.search(Query.findAll(), SampleDynamicTemplatesEntity.class).get().count()).isEqualTo(1L);
     }
 
-
     @Test
     void shouldCreateDynamicTemplateTwo() {
         IndexOperations indexOperations = operations.indexOps(SampleDynamicTemplatesEntityTwo.class);
         assertThat(indexOperations.createWithMapping()).isTrue();
 
-        operations.save(new SampleDynamicTemplatesEntityTwo("Other string"));
+        operations.save(new SampleDynamicTemplatesEntityTwo(Map.of("first.last", "Smith")));
         assertThat(operations.search(Query.findAll(), SampleDynamicTemplatesEntityTwo.class).get().count()).isEqualTo(1L);
     }
 
@@ -98,13 +97,14 @@ static class SampleDynamicTemplatesEntityTwo {
         @Id private String id;
 
         @Nullable
-        @Field(type = FieldType.Text) private String others;
+        @Field(type = FieldType.Object) private final Map<String, String> names;
 
         public SampleDynamicTemplatesEntityTwo() {
+            this(new HashMap<>());
         }
 
-        public SampleDynamicTemplatesEntityTwo(final String others) {
-            this.others = others;
+        public SampleDynamicTemplatesEntityTwo(final Map<String, String> names) {
+            this.names = names;
         }
     }
 }

spring-data-opensearch/src/test/resources/mappings/test-dynamic_templates_mappings_two.json

@@ -11,7 +11,7 @@
             }
           }
         },
-        "path_match": "others.*"
+        "path_match": "names.*"
       }
     }
   ]