Fix build errors due to test_class duplication.

Change-Id: Ie7a7368b274b60c87551eccd4b5820bb952cb9a9
diff --git a/BUILD b/BUILD
index 52d56dd..c6741d3 100644
--- a/BUILD
+++ b/BUILD
@@ -24,14 +24,11 @@
 junit_tests(
     name = "automerger_tests",
     srcs = glob([
-        "src/test/java/**/*.java",
-    ]),
-    resources = glob(["src/test/resources/**/*"]),
-    tags = ["automerger"],
-    test_class = glob([
         "src/test/java/**/*Test.java",
         "src/test/java/**/*IT.java",
     ]),
+    resources = glob(["src/test/resources/**/*"]),
+    tags = ["automerger"],
     deps = PLUGIN_DEPS + PLUGIN_TEST_DEPS + [
         ":automerger_test_helpers",
         ":automerger__plugin",