diff --git a/kotlin/src/main/kotlin/com/baeldung/kotlin/ItemService.kt b/kotlin/src/main/kotlin/com/baeldung/kotlin/ItemService.kt
index 97360db822..1740fb2863 100644
--- a/kotlin/src/main/kotlin/com/baeldung/kotlin/ItemService.kt
+++ b/kotlin/src/main/kotlin/com/baeldung/kotlin/ItemService.kt
@@ -54,6 +54,7 @@ fun main(args: Array<String>) {
     val sum = "four: ${2 + 2}"
 
     val itemManager = ItemManager("cat_id", "db://connection")
+    ItemManager(categoryId = "catId", dbConnection = "db://Connection")
     val result = "function result: ${itemManager.isFromSpecificCategory("1")}"
     println(result)
 
diff --git a/kotlin/src/test/kotlin/com/baeldung/kotlin/LambdaTest.kt b/kotlin/src/test/kotlin/com/baeldung/kotlin/LambdaTest.kt
new file mode 100644
index 0000000000..34217336a0
--- /dev/null
+++ b/kotlin/src/test/kotlin/com/baeldung/kotlin/LambdaTest.kt
@@ -0,0 +1,19 @@
+package com.baeldung.kotlin
+
+import org.junit.Test
+import kotlin.test.assertEquals
+
+
+class LambdaTest {
+    @Test
+    fun givenListOfNumber_whenDoingOperationsUsingLambda_shouldReturnProperResult() {
+        //given
+        val listOfNumbers = listOf(1, 2, 3)
+
+        //when
+        val sum = listOfNumbers.reduce { a, b -> a + b }
+
+        //then
+        assertEquals(6, sum)
+    }
+}
\ No newline at end of file