DATAJDBC-213 - Upgraded testcontainers dependency.

This fixes build failures on Travis-CI. There is an additional test depency to apache commons necessary due to a bug in the testcontainers version. See also: testcontainers/testcontainers-java#656

Author: schauder

pom.xml

@@ -33,7 +33,7 @@
 <mysql-connector-java.version>5.1.41</mysql-connector-java.version>
 <postgresql.version>42.0.0</postgresql.version>
 <mariadb-java-client.version>2.2.3</mariadb-java-client.version>
-<testcontainers.version>1.6.0</testcontainers.version>
+<testcontainers.version>1.7.2</testcontainers.version>
 
 </properties>
 
@@ -262,6 +262,13 @@
 <version>${testcontainers.version}</version>
 <scope>test</scope>
 </dependency>
+<!-- Workaround for https://github.com/testcontainers/testcontainers-java/issues/656-->
+<dependency>
+<groupId>commons-lang</groupId>
+<artifactId>commons-lang</artifactId>
+<version>2.6</version>
+<scope>test</scope>
+</dependency>
 
 </dependencies>