refactor(maven): increase the test time budget

This increases the time budget for running individual tests from 30s to
120s in an effort to allow the tests to run on the _internal_ (hosted on
openshiftapps.com) Jenkins.

pom.xml

@@ -97,6 +97,7 @@
   <properties>
     <maven.compiler.source>1.8</maven.compiler.source>
     <maven.compiler.target>1.8</maven.compiler.target>
+    <basepom.test.timeout>120</basepom.test.timeout>
 
     <syndesis-connectors.version>0.4.4</syndesis-connectors.version>