test: use make to run the tests

Signed-off-by: Felipe Contreras <felipe.contreras@gmail.com>

.github/workflows/main.yml

@@ -18,4 +18,4 @@ jobs:
         submodules: 'recursive'
 
     - name: Run tests
-      run: ./run-tests
+      run: make -C t

t/Makefile

@@ -0,0 +1,12 @@
+T = $(wildcard *.t)
+
+test: $(T)
+	@$(MAKE) --silent clean
+
+$(T): clean
+	./$@ $(TEST_OPTS)
+
+clean:
+	@rm -fr test-results
+
+.PHONY: test $(T) clean