tutorial: unit tests

tests/unittest/test/test_dummy.c

@@ -0,0 +1,20 @@
+/**
+ * \file test_dummy.c
+ */
+
+#include "unity.h"
+
+#include "dummy/dummy.h"
+
+void setUp(void)
+{
+}
+
+void tearDown(void)
+{
+}
+
+void test_dummy(void)
+{
+    TEST_ASSERT_EQUAL(4U, dummy_random());
+}