actually run the gowin tests

Makefile

diff --git a/Makefile b/Makefile
index 845a97b..6e7681c 100644
--- a/Makefile
+++ b/Makefile
@@ -718,6 +718,7 @@
 	+cd tests/arch/ecp5 && bash run-test.sh $(SEEDOPT)
 	+cd tests/arch/efinix && bash run-test.sh $(SEEDOPT)
 	+cd tests/arch/anlogic && bash run-test.sh $(SEEDOPT)
+	+cd tests/arch/gowin && bash run-test.sh $(SEEDOPT)
 	+cd tests/rpc && bash run-test.sh
 	@echo ""
 	@echo "  Passed \"make test\"."