update README.md

README.md

@@ -16,6 +16,17 @@ Desired features:
 - [ ] instruction and data caches
 - [ ] JTAG debug probe
 
+## Development
+
+### Testing
+
+I'm using [act](https://github.com/nektos/act) for local testing. No special installation is required since everything gets built and tested in containers as part of the CI actions.
+
+To run the tests, use
+```bash
+act push
+```
+
 ## Resources
 * [AXI4 Protocol Specification](https://developer.arm.com/documentation/ihi0022/e/AMBA-AXI3-and-AXI4-Protocol-Specification?lang=en)
 * [JTAG Bus Description](https://web.archive.org/web/20230314233136/http://www.interfacebus.com/Design_Connector_JTAG_Bus.html)