Update ApiTest.kt

Apparently this is expected behavior: https://issues.apache.org/jira/browse/SPARK-38317

Author: Jolanrensen

kotlin-spark-api/3.2/src/test/kotlin/org/jetbrains/kotlinx/spark/api/ApiTest.kt

@@ -366,9 +366,7 @@ class ApiTest : ShouldSpec({
                 dataset.collectAsList().let {
                     it[0] shouldBe Period.ZERO
 
-                    // TODO this is also broken in Scala. It reports a Period of 0 instead of 2 days
-                    //  https://issues.apache.org/jira/browse/SPARK-38317
-//                    it[1] shouldBe Period.ofDays(2)
+                    // NOTE Spark truncates java.time.Period to months.
                     it[1] shouldBe Period.ofDays(0)
                 }
 
@@ -736,4 +734,4 @@ data class ComplexEnumDataClass(
 data class NullFieldAbleDataClass(
     val optionList: List<Int>?,
     val optionMap: Map<String, Int>?
-)
+)