Fix test build rule to include *IT tests

The glob in the build rule only includes *Test.java files, thus the
recently added ReplicationIT was not being executed.

Update the rule to include *IT.java files.

Change-Id: I04a76723feb6e38dd441b41e9de22e5fdf1c4578

BUILD

diff --git a/BUILD b/BUILD
index b6494b5..17ddf50 100644
--- a/BUILD
+++ b/BUILD
@@ -20,7 +20,10 @@
 
 junit_tests(
     name = "replication_tests",
-    srcs = glob(["src/test/java/**/*Test.java"]),
+    srcs = glob([
+        "src/test/java/**/*Test.java",
+        "src/test/java/**/*IT.java",
+    ]),
     tags = ["replication"],
     visibility = ["//visibility:public"],
     deps = PLUGIN_TEST_DEPS + PLUGIN_DEPS + [