Dummy commit so that a pull request will not be auto-merged

This test commit may need to be updated from time to time because there's
a limit to how many status notifications GitHub will accept for a
given sha.

https://github.com/ARMmbed/mbedtls-test/pull/155#issuecomment-698955473

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/README.md b/README.md
index 7e44f21..16cd847 100644
--- a/README.md
+++ b/README.md
@@ -5,6 +5,8 @@
 
 Mbed TLS includes a reference implementation of the [PSA Cryptography API](#psa-cryptography-api). This is currently a preview for evaluation purposes only.
 
+This is a test commit that should change nothing.
+
 Configuration
 -------------