Fix application context test

Author: qtips

README.MD

@@ -1,8 +1,10 @@
 This project involves Kafka consumer and producer, and Postgresql database and a rest-service
 
 The tests demonstrate:
-1. Calling a rest service that adds a message to a (embedded) Kafka topic, where the message consumer writes to a postgresql database
-2. Multithreaded usage of postgresql with Spring Data and JPA and locking of rows. 
+1. Calling a rest service that adds a message to a (embedded) Kafka topic, where the message consumer writes to a postgresql database (setup using Testcontainers)
+2. Multithreaded usage of postgresql with Spring Data and JPA and locking of rows.
+
+You need docker installed to run the tests.  
 
 # TODO: 
 Simulate Kafka calls that result in errors in multithreaded environment to test different kinds of kafka settings and guarentees (e.g. exactly once vs at least once processing)

pom.xml

@@ -55,6 +55,7 @@
             <groupId>org.testcontainers</groupId>
             <artifactId>postgresql</artifactId>
             <version>1.12.5</version>
+            <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.testcontainers</groupId>
@@ -65,6 +66,11 @@
             <groupId>org.postgresql</groupId>
             <artifactId>postgresql</artifactId>
         </dependency>
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.awaitility</groupId>
             <artifactId>awaitility</artifactId>

src/test/java/no/ainiq/kafkademo/KafkademoApplicationTests.java

@@ -1,9 +1,11 @@
 package no.ainiq.kafkademo;
 
 import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
 import org.springframework.boot.test.context.SpringBootTest;
 
 @SpringBootTest("kafka-enabled=false")
+@AutoConfigureTestDatabase
 class KafkademoApplicationTests {
 
     @Test