diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 22c1e42..191645e 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -43,7 +43,8 @@ connect:
     script:
     - apt-get update && apt-get --assume-yes install mysql-client
     - mysql --user=root --password="$MYSQL_ROOT_PASSWORD" --host=mysql -e "use $MYSQL_DATABASE; show tables;"
-    #- mysql --user=root --password="$MYSQL_ROOT_PASSWORD" --host=mysql < "data/db/install.sql" #first time
+    - mysql --user=root --password="$MYSQL_ROOT_PASSWORD" --host=mysql -e "use $MYSQL_DATABASE; DROP table CUSTOMER; DROP table EXERCISES; DROP table EXERCISE_TYPE; DROP table exercise_ages;"
+    - mysql --user=root --password="$MYSQL_ROOT_PASSWORD" --host=mysql < "data/db/install.sql" #first time
 
 test:
   stage: test
diff --git a/data/db/install.sql b/data/db/install.sql
index 75fa298..e92664a 100644
--- a/data/db/install.sql
+++ b/data/db/install.sql
@@ -38,9 +38,7 @@ INSERT INTO `customer` (`customer_id`, `name`, `firstname`, `email`, `sex`, `age
 	(10, 'Átlag 15 éves lány', '', NULL, 'w', 15),
 	(11, 'Átlag 16 éves lány', '', NULL, 'w', 16),
 	(12, 'Átlag 17 éves lány', '', NULL, 'w', 17),
-	(13, 'Átlag 18 éves lány', '', NULL, 'w', 18),
-	(14, 'Bossanyi', 'Tibor', '', 'm', 48),
-	(15, 'Bossanyi', 'Tibor', '', 'm', 48);
+	(13, 'Átlag 18 éves lány', '', NULL, 'w', 18);
 /*!40000 ALTER TABLE `customer` ENABLE KEYS */;
 
 -- Struktúra mentése tábla aitrainer. exercises
diff --git a/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
index b76f1e6..f179371 100644
--- a/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/CustomerTests.kt
@@ -13,7 +13,6 @@ class CustomerTests {
 
     @Autowired
     private lateinit var customerRepository: CustomerRepository
-    private val customerId: Long = 4
     private var insertedId: Long? = null
 
     @Test
diff --git a/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt b/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt
index 478cf6c..7dac582 100644
--- a/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt
+++ b/src/test/kotlin/com/aitrainer/api/test/ExerciseTypeTest.kt
@@ -11,8 +11,6 @@ import kotlin.test.assertEquals
 class ExerciseTypeTest {
 
     @Autowired
-    private val exerciseTypeId: Long = 4
-    private var insertedId: Long? = null
     private lateinit var exerciseTypeRepository: ExerciseTypeRepository
 
     @Test
@@ -26,7 +24,7 @@ class ExerciseTypeTest {
         val savedEx: ExerciseType = exerciseTypeRepository.save(newEx)
         assertEquals(savedEx.name, "Húzodszkodás")
 
-        this.insertedId = savedEx.exerciseTypeId
+        val insertedId: Long = savedEx.exerciseTypeId
 
         val extype: ExerciseType = exerciseTypeRepository.findById( savedEx.exerciseTypeId ).orElse(null)
         assertEquals( extype.name, "Húzodszkodás")