DATAJDBC-180 - Polishing pom.xml

Fixed wrong name on Testcontainers version.
Aligned formatting to Spring style.

Original pull request: #46.

pom.xml

@@ -30,9 +30,10 @@
 		<hsqldb.version>2.2.8</hsqldb.version>
 		<mybatis.version>3.4.4</mybatis.version>
 		<mybatis-spring.version>1.3.1</mybatis-spring.version>
-        <mysql.version>1.5.1</mysql.version>
 		<mysql-connector-java.version>5.1.41</mysql-connector-java.version>
 		<postgresql.version>42.0.0</postgresql.version>
+		<testcontainers.version>1.5.1</testcontainers.version>
+
 	</properties>
 
 	<profiles>
@@ -191,14 +192,14 @@
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>mysql</artifactId>
-			<version>${mysql.version}</version>
+			<version>${testcontainers.version}</version>
 			<scope>test</scope>
 		</dependency>
 
 		<dependency>
 			<groupId>org.testcontainers</groupId>
 			<artifactId>postgresql</artifactId>
-			<version>${mysql.version}</version>
+			<version>${testcontainers.version}</version>
 			<scope>test</scope>
 		</dependency>