[hotfix][ci] Fix CI failure due to implicit conflicts

This closes #3846

Author: lvyanquan

flink-cdc-composer/src/test/java/org/apache/flink/cdc/composer/flink/FlinkPipelineComposerITCase.java

@@ -1241,7 +1241,7 @@ void testTransformMergingWithRouteChangeOrder(ValuesDataSink.SinkApi sinkApi) th
         assertThat(mergedTableSchema)
                 .isEqualTo(
                         Schema.newBuilder()
-                                .physicalColumn("id", DataTypes.BIGINT())
+                                .physicalColumn("id", DataTypes.BIGINT().notNull())
                                 .physicalColumn("name", DataTypes.STRING())
                                 .physicalColumn("age", DataTypes.INT())
                                 .physicalColumn("last_name", DataTypes.STRING())
@@ -1252,9 +1252,9 @@ void testTransformMergingWithRouteChangeOrder(ValuesDataSink.SinkApi sinkApi) th
         String[] outputEvents = outCaptor.toString().trim().split("\n");
         assertThat(outputEvents)
                 .containsExactly(
-                        "CreateTableEvent{tableId=default_namespace.default_schema.merged, schema=columns={`id` INT,`name` STRING,`age` INT,`last_name` STRING}, primaryKeys=id, options=()}",
+                        "CreateTableEvent{tableId=default_namespace.default_schema.merged, schema=columns={`id` INT NOT NULL,`name` STRING,`age` INT,`last_name` STRING}, primaryKeys=id, options=()}",
                         "AddColumnEvent{tableId=default_namespace.default_schema.merged, addedColumns=[ColumnWithPosition{column=`description` STRING, position=AFTER, existedColumnName=last_name}]}",
-                        "AlterColumnTypeEvent{tableId=default_namespace.default_schema.merged, typeMapping={id=BIGINT}, oldTypeMapping={id=INT}}",
+                        "AlterColumnTypeEvent{tableId=default_namespace.default_schema.merged, typeMapping={id=BIGINT NOT NULL}, oldTypeMapping={id=INT NOT NULL}}",
                         "DataChangeEvent{tableId=default_namespace.default_schema.merged, before=[], after=[1, Alice, 18, last_name, null], op=INSERT, meta=()}",
                         "DataChangeEvent{tableId=default_namespace.default_schema.merged, before=[], after=[2, Bob, 20, last_name, null], op=INSERT, meta=()}",
                         "DataChangeEvent{tableId=default_namespace.default_schema.merged, before=[2, Bob, 20, last_name, null], after=[2, Bob, 30, last_name, null], op=UPDATE, meta=()}",

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/src/test/java/org/apache/flink/cdc/connectors/paimon/sink/v2/PaimonSinkITCase.java

@@ -276,7 +276,8 @@ public void testSinkWithDataChange(String metastore, boolean enableDeleteVector)
         // Each commit will generate one sequence number(equal to checkpointId).
         List<Row> expected =
                 enableDeleteVector
-                        ? Collections.singletonList(Row.ofKind(RowKind.INSERT, 3L))
+                        ? Arrays.asList(
+                                Row.ofKind(RowKind.INSERT, 1L), Row.ofKind(RowKind.INSERT, 3L))
                         : Arrays.asList(
                                 Row.ofKind(RowKind.INSERT, 1L),
                                 Row.ofKind(RowKind.INSERT, 2L),