Fix JsonSupportIntegrationTests

spring-batch-samples/src/test/java/org/springframework/batch/sample/JsonSupportIntegrationTests.java

@@ -21,6 +21,8 @@ import java.io.FileInputStream;
 import java.nio.file.Files;
 import java.nio.file.Paths;
 
+import javax.sql.DataSource;
+
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
@@ -47,6 +49,7 @@ import org.springframework.context.annotation.AnnotationConfigApplicationContext
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.FileSystemResource;
+import org.springframework.jdbc.datasource.embedded.EmbeddedDatabaseBuilder;
 import org.springframework.util.DigestUtils;
 
 /**
@@ -106,6 +109,15 @@ public class JsonSupportIntegrationTests {
 					.start(step())
 					.build();
 		}
+
+		@Bean
+		public DataSource dataSource() {
+			return new EmbeddedDatabaseBuilder()
+					.addScript("/org/springframework/batch/core/schema-drop-hsqldb.sql")
+					.addScript("/org/springframework/batch/core/schema-hsqldb.sql")
+					.generateUniqueName(true)
+					.build();
+		}
 	}
 
 	@Test