DATAJDBC-180 - Polishing pom.xml

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

Original pull request: #46.

pom.xml

@@ -25,15 +25,16 @@
 		<java-module-name>spring.data.jdbc</java-module-name>
 		<sonar.dynamicAnalysis>reuseReports</sonar.dynamicAnalysis>
 
-        <assertj-core.version>3.6.2</assertj-core.version>
-        <degraph-check.version>0.1.4</degraph-check.version>
-        <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>
-    </properties>
+		<assertj-core.version>3.6.2</assertj-core.version>
+		<degraph-check.version>0.1.4</degraph-check.version>
+		<hsqldb.version>2.2.8</hsqldb.version>
+		<mybatis.version>3.4.4</mybatis.version>
+		<mybatis-spring.version>1.3.1</mybatis-spring.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>
 		<profile>
@@ -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>