diff --git a/tests/README b/tests/README
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index 0000000..3829344
--- /dev/null
+++ b/tests/README
@@ -0,0 +1,11 @@
+# Running tests
+
+Build and install Contacts.apk
+
+Run
+```shell
+$ atest ContactsTests
+```
+
+More information can be found at
+https://source.android.com/compatibility/tests/development/atest