added testing instructions

README.md

@@ -83,6 +83,8 @@ be supported, which currently means `android10-release`.
 
 ## Testing
 
+### Individual Applications
+
 The `preload.sh` script can be used for testing with dynamically linked
 executables using glibc or musl:
 
@@ -102,6 +104,13 @@ this allocator offers across different size classes. The intention is that this
 will be offered as part of hardened variants of the Bionic and musl C standard
 libraries.
 
+### Automated Test Framework
+
+A collection of simple, automated tests are provided and can be run with the
+make command as follows:
+
+    make test
+
 ## Compatibility
 
 OpenSSH 8.1 or higher is required to allow the mprotect PROT_READ|PROT_WRITE system calls in the seccomp-bpf filter rather than killing the process.