[FLINK-29807][tests] Drop support for < 1.8 snapshots in FlinkKafkaConsumerBaseMigrationTest
diff --git a/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumerBaseMigrationTest.java b/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumerBaseMigrationTest.java
index 909a6cc..296545c 100644
--- a/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumerBaseMigrationTest.java
+++ b/flink-connector-kafka/src/test/java/org/apache/flink/streaming/connectors/kafka/FlinkKafkaConsumerBaseMigrationTest.java
@@ -92,7 +92,7 @@
 
     @Parameterized.Parameters(name = "Migration Savepoint: {0}")
     public static Collection<FlinkVersion> parameters() {
-        return FlinkVersion.rangeOf(FlinkVersion.v1_4, FlinkVersion.v1_16);
+        return FlinkVersion.rangeOf(FlinkVersion.v1_8, FlinkVersion.v1_16);
     }
 
     public FlinkKafkaConsumerBaseMigrationTest(FlinkVersion testMigrateVersion) {
diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.4-empty-state-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.4-empty-state-snapshot
deleted file mode 100644
index 2a06fb7..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.4-empty-state-snapshot
+++ /dev/null
Binary files differ
diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.4-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.4-snapshot
deleted file mode 100644
index d778ca0..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.4-snapshot
+++ /dev/null
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diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.5-empty-state-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.5-empty-state-snapshot
deleted file mode 100644
index affc8b9..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.5-empty-state-snapshot
+++ /dev/null
Binary files differ
diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.5-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.5-snapshot
deleted file mode 100644
index 773b363..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.5-snapshot
+++ /dev/null
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diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.6-empty-state-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.6-empty-state-snapshot
deleted file mode 100644
index 1b039fe..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.6-empty-state-snapshot
+++ /dev/null
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diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.6-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.6-snapshot
deleted file mode 100644
index ea2e09c..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.6-snapshot
+++ /dev/null
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diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.7-empty-state-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.7-empty-state-snapshot
deleted file mode 100644
index 3b39852..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.7-empty-state-snapshot
+++ /dev/null
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diff --git a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.7-snapshot b/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.7-snapshot
deleted file mode 100644
index da23cec..0000000
--- a/flink-connector-kafka/src/test/resources/kafka-consumer-migration-test-flink1.7-snapshot
+++ /dev/null
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