diff --git a/java/testing.go b/java/testing.go
index 03dcee6..e31e0d2 100644
--- a/java/testing.go
+++ b/java/testing.go
@@ -581,6 +581,7 @@
 				name: "%[1]s-lib",
 				sdk_version: "none",
 				system_modules: "none",
+				srcs: ["a.java"],
 			}
 		`, extra)
 	}
@@ -780,3 +781,5 @@
 		config.installDir = installDir
 	})
 }
+
+var PrepareForTestWithTransitiveClasspathEnabled = android.PrepareForTestWithBuildFlag("RELEASE_USE_TRANSITIVE_JARS_IN_CLASSPATH", "true")