forgot test

test/test_md5.cpp

@@ -0,0 +1,9 @@
+#include <gtest/gtest.h>
+#include <abyss/md5.hpp>
+
+TEST(TestMD5, TestMD5)
+{
+  std::string str("The quick brown fox jumps over the lazy dog");
+  auto H = MD5::SumHex(str);
+  ASSERT_EQ(H, "9e107d9d372bb6826bd81d3542a419d6");
+};