KTLN-547: Fixed class name

Signed-off-by: Diego Torres <[email protected]>

Author: diegotorrespy

core-kotlin-modules/core-kotlin-collections-6/src/test/kotlin/com/baeldung/listofdates/SortingListOfStringDatesTest.kt renamed to core-kotlin-modules/core-kotlin-collections-6/src/test/kotlin/com/baeldung/listofdates/SortingListOfStringDatesUnitTest.kt

@@ -6,7 +6,7 @@ import java.time.LocalDate
 import java.time.format.DateTimeFormatter
 import kotlin.test.assertNotNull
 
-class SortingListOfStringDatesTest {
+class SortingListOfStringDatesUnitTest {
 
     @Test
     fun `given a list of string dates when sorting with sortedDescending then a sorted list is generated`() {