diff --git a/push-message-provider-fcm/src/test/kotlin/ru/touchin/push/message/provider/fcm/PushMessageProviderFcmTestApplication.kt b/push-message-provider-fcm/src/test/kotlin/ru/touchin/push/message/provider/fcm/PushMessageProviderFcmTestApplication.kt
index 7c2f4e7..055a72d 100644
--- a/push-message-provider-fcm/src/test/kotlin/ru/touchin/push/message/provider/fcm/PushMessageProviderFcmTestApplication.kt
+++ b/push-message-provider-fcm/src/test/kotlin/ru/touchin/push/message/provider/fcm/PushMessageProviderFcmTestApplication.kt
@@ -4,16 +4,19 @@ import com.fasterxml.jackson.annotation.JsonAutoDetect
 import com.fasterxml.jackson.annotation.PropertyAccessor
 import com.fasterxml.jackson.databind.ObjectMapper
 import com.fasterxml.jackson.databind.SerializationFeature
+import com.google.firebase.FirebaseApp
 import org.springframework.beans.factory.annotation.Qualifier
 import org.springframework.boot.SpringBootConfiguration
 import org.springframework.boot.test.context.TestConfiguration
+import org.springframework.context.ApplicationListener
 import org.springframework.context.annotation.Bean
+import org.springframework.context.event.ContextRefreshedEvent
 import java.text.SimpleDateFormat
 
 @TestConfiguration
 @SpringBootConfiguration
 @EnablePushMessageProviderFcm
-class PushMessageProviderFcmTestApplication {
+class PushMessageProviderFcmTestApplication : ApplicationListener<ContextRefreshedEvent> {
 
     @Bean
     fun objectMapper(
@@ -28,4 +31,12 @@ class PushMessageProviderFcmTestApplication {
         }
     }
 
+    override fun onApplicationEvent(event: ContextRefreshedEvent) {
+        clearSingletonsOutsideContainer()
+    }
+
+    private fun clearSingletonsOutsideContainer() {
+        FirebaseApp.getApps().forEach(FirebaseApp::delete)
+    }
+
 }