set test project to 1.8 source/target
<version>1.0.0.TEST-SNAPSHOT</version>
<name>multimodule</name>
+ <properties>
+ <maven.compiler.source>1.8</maven.compiler.source>
+ <maven.compiler.target>1.8</maven.compiler.target>
+ </properties>
+
<!-- The modules that are part of this project. -->
<modules>
<module>simple-service</module>
