diff --git a/build.gradle.kts b/build.gradle.kts
index 54d08af..d565847 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -9,7 +9,7 @@ plugins {
 }
 
 group = "com.aitrainer"
-version = "0.0.1-SNAPSHOT"
+version = "0.0.2"
 java.sourceCompatibility = JavaVersion.VERSION_1_8
 
 repositories {
@@ -26,7 +26,9 @@ dependencies {
 	testImplementation("org.springframework.boot:spring-boot-starter-test") {
 		exclude(group = "org.junit.vintage", module = "junit-vintage-engine")
 	}
-	testCompile("org.junit.jupiter:junit-jupiter-api")
+	testCompile("junit:junit:4.13")
+	testCompile("org.jetbrains.kotlin:kotlin-test-junit5:1.3.72")
+
 }
 
 tasks.withType<Test> {
diff --git a/readme.MD b/readme.MD
index 7da294b..ff43bda 100644
--- a/readme.MD
+++ b/readme.MD
@@ -1,4 +1,4 @@
-aitrainer server API v0.1.1
+aitrainer server API v0.0.2
 
 connects the MYSQL Database
 provide a RESTful API to the mobile app
\ No newline at end of file
diff --git a/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt b/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt
index 8a1ea03..aa5cb16 100644
--- a/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt
+++ b/src/main/kotlin/com/aitrainer/api/controller/CustomerController.kt
@@ -17,7 +17,7 @@ class CustomerController ( private val customerRepository: CustomerRepository )
             customerRepository.findAll()
 
     @PostMapping("/customers")
-    fun createNewArticle(@Valid @RequestBody customer: Customer): Customer =
+    fun createNewCustomer(@Valid @RequestBody customer: Customer): Customer =
             customerRepository.save(customer)
 
     @GetMapping("/customers/{id}")
diff --git a/src/main/kotlin/com/aitrainer/api/model/Customer.kt b/src/main/kotlin/com/aitrainer/api/model/Customer.kt
index 7b40f65..e468125 100644
--- a/src/main/kotlin/com/aitrainer/api/model/Customer.kt
+++ b/src/main/kotlin/com/aitrainer/api/model/Customer.kt
@@ -1,7 +1,5 @@
 package com.aitrainer.api.model
 
-import com.aitrainer.api.enums.SexEnum
-
 import javax.persistence.Entity
 import javax.persistence.GeneratedValue
 import javax.persistence.GenerationType
@@ -11,13 +9,13 @@ import javax.validation.constraints.NotBlank
 @Entity
 data class Customer (
         @get: NotBlank
-        val name: String = "",
         
-        val firstname: String,
-        val email: String,
-        val age: Int,
-        val sex: String,
+        val name: String = "",        
+        val firstname: String = "",
+        val email: String = "",
+        val age: Int = 0,
+        val sex: String = "m",
         
         @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
-        val customer_id: Long? = null
+        val customer_id: Long = 0
 )
diff --git a/src/test/kotlin/com/aitrainer/api/ApiApplicationTests.kt b/src/test/kotlin/com/aitrainer/api/test/ApiApplicationTests.kt
similarity index 85%
rename from src/test/kotlin/com/aitrainer/api/ApiApplicationTests.kt
rename to src/test/kotlin/com/aitrainer/api/test/ApiApplicationTests.kt
index e8a12cd..2c4a873 100644
--- a/src/test/kotlin/com/aitrainer/api/ApiApplicationTests.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/ApiApplicationTests.kt
@@ -1,4 +1,4 @@
-package com.aitrainer.api
+package com.aitrainer.api.test
 
 import org.junit.jupiter.api.Test
 import org.springframework.boot.test.context.SpringBootTest
diff --git a/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
new file mode 100644
index 0000000..cf13247
--- /dev/null
+++ b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
@@ -0,0 +1,29 @@
+package com.aitrainer.api.test
+
+import org.springframework.boot.test.context.SpringBootTest
+import com.aitrainer.api.repository.CustomerRepository
+import com.aitrainer.api.model.Customer
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+import kotlin.test.fail
+import org.springframework.beans.factory.annotation.Autowired;
+
+@SpringBootTest
+class CustomerTests {
+
+    @Autowired
+    lateinit private var customerRepository: CustomerRepository
+    private val customerId: Long = 4
+
+    @Test
+    fun testInsert() {
+        val newCustomer = Customer("Bossanyi", "Tibor", "", 48, "m");
+        val savedCustomer: Customer = customerRepository.save(newCustomer)
+        assertEquals(savedCustomer?.age, 48)
+
+        val customer: Customer? = customerRepository.findById( savedCustomer?.customer_id ).orElse(null);
+        assertEquals( customer?.firstname, "Tibor")
+        //assertEquals( customer?.name, "Boss")
+    }
+
+}
\ No newline at end of file