Align tests target name prefix with plugin name

Change-Id: Ia6cd289280b7b2fdf46ca49ccb0dd1485edd56a4

BUILD

diff --git a/BUILD b/BUILD
index 04f201a..ca5728e 100644
--- a/BUILD
+++ b/BUILD
@@ -21,7 +21,7 @@
 )
 
 junit_tests(
-    name = "events_log_tests",
+    name = "events-log_tests",
     testonly = 1,
     srcs = glob(["src/test/java/**/*.java"]),
     tags = ["events-log"],