fix failed tests

Author: flaming-archer

extensions/spark/kyuubi-spark-connector-hive/src/main/scala/org/apache/kyuubi/spark/connector/hive/HiveTableCatalog.scala

@@ -395,11 +395,15 @@ class HiveTableCatalog(sparkSession: SparkSession)
   override def dropTable(ident: Identifier): Boolean =
     withSparkSQLConf(LEGACY_NON_IDENTIFIER_OUTPUT_CATALOG_NAME -> "true") {
       try {
-        if (loadTable(ident) != null) {
+        val table = loadTable(ident)
+        if (table != null) {
           catalog.dropTable(
             ident.asTableIdentifier,
             ignoreIfNotExists = true,
             purge = true /* skip HDFS trash */ )
+          if (table.isInstanceOf[HiveTable]) {
+            table.asInstanceOf[HiveTable].fileIndex.refresh()
+          }
           true
         } else {
           false

extensions/spark/kyuubi-spark-connector-hive/src/test/scala/org/apache/kyuubi/spark/connector/hive/HiveFileStatusCacheSuite.scala

@@ -28,16 +28,6 @@ import org.apache.kyuubi.spark.connector.hive.read.HiveFileStatusCache
 
 class HiveFileStatusCacheSuite extends KyuubiHiveTest {
 
-  override def beforeEach(): Unit = {
-    super.beforeEach()
-    HiveFileStatusCache.resetForTesting()
-  }
-
-  override def afterEach(): Unit = {
-    super.afterEach()
-    HiveFileStatusCache.resetForTesting()
-  }
-
   test("cached by qualifiedName") {
     val previousValue = SQLConf.get.getConf(StaticSQLConf.METADATA_CACHE_TTL_SECONDS)
     try {

extensions/spark/kyuubi-spark-connector-hive/src/test/scala/org/apache/kyuubi/spark/connector/hive/KyuubiHiveTest.scala

@@ -24,6 +24,7 @@ import org.apache.spark.sql.connector.catalog.{SupportsNamespaces, TableCatalog}
 import org.apache.spark.sql.hive.kyuubi.connector.HiveBridgeHelper.Utils
 
 import org.apache.kyuubi.spark.connector.common.LocalSparkSession
+import org.apache.kyuubi.spark.connector.hive.read.HiveFileStatusCache
 
 abstract class KyuubiHiveTest extends QueryTest with Logging {
 
@@ -49,11 +50,13 @@ abstract class KyuubiHiveTest extends QueryTest with Logging {
 
   override def beforeEach(): Unit = {
     super.beforeAll()
+    HiveFileStatusCache.resetForTesting()
     getOrCreateSpark()
   }
 
   override def afterEach(): Unit = {
     super.afterAll()
+    HiveFileStatusCache.resetForTesting()
     LocalSparkSession.stop(innerSpark)
   }