fix tests for SPARK-39469

Author: sadikovi

sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/csv/UnivocityParserSuite.scala

@@ -377,7 +377,9 @@ class UnivocityParserSuite extends SparkFunSuite with SQLHelper {
     def checkDate(dataType: DataType): Unit = {
       val timestampsOptions =
         new CSVOptions(Map("inferDate" -> "true", "timestampFormat" -> "dd/MM/yyyy HH:mm",
-          "timestampNTZFormat" -> "dd-MM-yyyy HH:mm", "dateFormat" -> "dd_MM_yyyy"),
+          "timestampNTZFormat" -> "dd-MM-yyyy HH:mm", "dateFormat" -> "dd_MM_yyyy",
+          // Required for date string to be parsed as timestamp since it misses the time component
+          "enableDateTimeParsingFallback" -> "true"),
           false, DateTimeUtils.getZoneId("-08:00").toString)
       // Use CSVOption ZoneId="-08:00" (PST) to test that Dates in TimestampNTZ column are always
       // converted to their equivalent UTC timestamp

sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/csv/CSVSuite.scala

@@ -2797,6 +2797,7 @@ abstract class CSVSuite
       "inferSchema" -> "true",
       "timestampFormat" -> "yyyy-MM-dd'T'HH:mm:ss",
       "dateFormat" -> "yyyy-MM-dd",
+      "enableDateTimeParsingFallback" -> "true",
       "inferDate" -> "true")
     val options2 = Map(
       "header" -> "true",