Fix buck tests

Change-Id: I3d681e6e5c1d3e98c87ccb3d20a619b216ae6133
diff --git a/utils/osgi/BUCK b/utils/osgi/BUCK
index ef9ac97..a661069 100644
--- a/utils/osgi/BUCK
+++ b/utils/osgi/BUCK
@@ -19,10 +19,11 @@
 )
 
 java_test(
-  name = 'tests',
+  name = 'onlab-osgi-tests',
   srcs = glob([TEST + '/*.java']),
   deps = COMPILE_DEPS +
          TEST_DEPS +
          [CURRENT_TARGET],
   source_under_test = [CURRENT_TARGET],
+  visibility = ['PUBLIC'],
 )