message generation tests moved back in, they need the full suiet of

message_generation_tests/build.gradle

.../test/java/org/ros/internal/message/Md5GeneratorTest.java

...org/ros/internal/message/MessageInterfaceBuilderTest.java

...s/src/test/java/org/ros/internal/message/MessageTest.java

...org/ros/internal/message/RawMessageSerializationTest.java

...s/src/test/java/org/ros/internal/message/ServiceTest.java

...t/java/org/ros/internal/message/field/ArrayFieldTest.java

...ion_tests/src/test/java/org/ros/message/DurationTest.java

...eration_tests/src/test/java/org/ros/message/TimeTest.java

settings.gradle