Update tests and a param comment.

sql/core/src/test/scala/org/apache/spark/sql/SessionStateSuite.scala

@@ -48,8 +48,9 @@ class SessionStateSuite extends SparkFunSuite
 
   test("fork new session and inherit RuntimeConfig options") {
     val key = "spark-config-clone"
-    activeSession.conf.set(key, "active")
     try {
+      activeSession.conf.set(key, "active")
+
       // inheritance
       val forkedSession = activeSession.cloneSession()
       assert(forkedSession ne activeSession)
@@ -136,11 +137,11 @@ class SessionStateSuite extends SparkFunSuite
     // Cannot use `import activeSession.implicits._` due to the compiler limitation.
     import spark.implicits._
 
-    activeSession
-      .createDataset[(Int, String)](Seq(1, 2, 3).map(i => (i, i.toString)))
-      .toDF("int", "str")
-      .createOrReplaceTempView("df")
     try {
+      activeSession
+        .createDataset[(Int, String)](Seq(1, 2, 3).map(i => (i, i.toString)))
+        .toDF("int", "str")
+        .createOrReplaceTempView("df")
       checkTableExists(activeSession)
 
       val forkedSession = activeSession.cloneSession()

sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveSessionState.scala

@@ -37,7 +37,8 @@ import org.apache.spark.sql.streaming.StreamingQueryManager
  * @param conf SQL-specific key-value configurations.
  * @param experimentalMethods The experimental methods.
  * @param functionRegistry Internal catalog for managing functions registered by the user.
- * @param catalog Internal catalog for managing table and database states.
+ * @param catalog Internal catalog for managing table and database states that uses Hive client for
+ *                interacting with the metastore.
  * @param sqlParser Parser that extracts expressions, plans, table identifiers etc. from SQL texts.
  * @param metadataHive The Hive metadata client.
  * @param analyzer Logical query plan analyzer for resolving unresolved attributes and relations.