Unit tests don't run

[skurlow]

/Library/Java/JavaVirtualMachines/jdk-9.0.4.jdk/Contents/Home/bin/java -Dmaven.multiModuleProjectDirectory=/Users/skurlow/IdeaProjects/java9-modules-maven-junit-example/devday "-Dmaven.home=/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3" "-Dclassworlds.conf=/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3/bin/m2.conf" "-javaagent:/Applications/IntelliJ IDEA CE.app/Contents/lib/idea_rt.jar=60026:/Applications/IntelliJ IDEA CE.app/Contents/bin" -Dfile.encoding=UTF-8 -classpath "/Applications/IntelliJ IDEA CE.app/Contents/plugins/maven/lib/maven3/boot/plexus-classworlds-2.5.2.jar" org.codehaus.classworlds.Launcher -Didea.version=2018.1.1 test -f pom.xml
[INFO] Scanning for projects...
[WARNING]
[WARNING] Some problems were encountered while building the effective model for de.consol:devday:jar:1.0-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.apache.maven.plugins:maven-jar-plugin is missing. @ de.consol:devday:[unknown-version], /Users/skurlow/IdeaProjects/java9-modules-maven-junit-example/devday/pom.xml, line 16, column 21
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building devday 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ devday ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /Users/skurlow/IdeaProjects/java9-modules-maven-junit-example/devday/src/main/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:compile (default-compile) @ devday ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ devday ---
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] skip non existing resourceDirectory /Users/skurlow/IdeaProjects/java9-modules-maven-junit-example/devday/src/test/resources
[INFO]
[INFO] --- maven-compiler-plugin:3.7.0:testCompile (default-testCompile) @ devday ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ devday ---
[INFO] No tests to run.
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.907 s
[INFO] Finished at: 2018-04-14T21:20:49+10:00
[INFO] Final Memory: 11M/37M
[INFO] ------------------------------------------------------------------------

Process finished with exit code 0