verify that default schema evolution comment is set

src/test/java/com/snowflake/kafka/connector/streaming/iceberg/IcebergIngestionSchemaEvolutionIT.java

@@ -384,7 +384,7 @@ public void testEvolutionOfPrimitives_withSchema(
   private static Stream<Arguments> primitiveEvolutionDataSource() {
     return Stream.of(
         Arguments.of(
-            singleBooleanField(),
+            singleBooleanFieldWithSchema(),
             booleanAndIntWithSchema(),
             booleanAndAllKindsOfIntWithSchema(),
             allPrimitivesWithSchema(),
@@ -486,12 +486,19 @@ private static Stream<Arguments> testEvolutionOfComplexTypes_dataSource() {
 
   @Test
   @Disabled
-  void shouldAppendedCommentTest() throws Exception {
+  void shouldAppendCommentTest() throws Exception {
     // when
+    // insert record with a comment
     insertWithRetry(schemaAndPayloadWithComment(), 0, true);
-    waitForOffset(1);
+    // insert record without a comment
+    insertWithRetry(singleBooleanFieldWithSchema(), 1, true);
+    waitForOffset(2);
+
     // then
+    // comment is read from schema and set into first column
     List<DescribeTableRow> columns = describeTable(tableName);
     assertEquals("Test comment", columns.get(1).getComment());
+    // default comment is set into second column
+    assertEquals("column created by schema evolution from Snowflake Kafka Connector", columns.get(2).getComment());
   }
 }

src/test/java/com/snowflake/kafka/connector/streaming/iceberg/TestJsons.java

@@ -142,7 +142,7 @@ static String complexPayloadWithSchema() {
           + "        }"
           + "    }";
 
-  static String singleBooleanField() {
+  static String singleBooleanFieldWithSchema() {
     return SCHEMA_BEGINNING
         + BOOL_SCHEMA
         + SCHEMA_END