diff --git a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
index 4a5201735fbd..46ef7943739c 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
@@ -169,7 +169,9 @@ class SQLQuerySuite extends QueryTest with SharedSparkSession {
 
     withSQLConf(SQLConf.UTC_TIMESTAMP_FUNC_ENABLED.key -> "true") {
       spark.sessionState.functionRegistry.listFunction().par.foreach { funcId =>
-        val info = spark.sessionState.catalog.lookupFunctionInfo(funcId)
+        // Examples can change settings. We clone the session to prevent tests clashing.
+        val clonedSpark = spark.cloneSession()
+        val info = clonedSpark.sessionState.catalog.lookupFunctionInfo(funcId)
         val className = info.getClassName
         if (!ignoreSet.contains(className)) {
           withClue(s"Function '${info.getName}', Expression class '$className'") {
@@ -177,7 +179,7 @@ class SQLQuerySuite extends QueryTest with SharedSparkSession {
             checkExampleSyntax(example)
             example.split("  > ").toList.foreach(_ match {
               case exampleRe(sql, output) =>
-                val df = spark.sql(sql)
+                val df = clonedSpark.sql(sql)
                 val actual = unindentAndTrim(
                   hiveResultString(df.queryExecution.executedPlan).mkString("\n"))
                 val expected = unindentAndTrim(output)