Don't include unit test sources in code coverage (RIPD-1132):

Most files containing unit test code are moved to
src/test. JTx and the test client code are not yet moved.

src/test/beast/beast_asio_error_test.cpp

@@ -0,0 +1,43 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <ripple/beast/asio/ssl_error.h>
+#include <ripple/beast/unit_test.h>
+#include <string>
+
+namespace beast {
+
+class error_test : public unit_test::suite
+{
+public:
+    void run()
+    {
+        {
+            boost::system::error_code ec =
+                boost::system::error_code (335544539,
+                    boost::asio::error::get_ssl_category ());
+            std::string const s = beast::error_message_with_ssl(ec);
+            BEAST_EXPECT(s == " (20,0,219) error:140000DB:SSL routines:SSL routines:short read");
+        }
+    }
+};
+
+BEAST_DEFINE_TESTSUITE(error,asio,beast);
+
+} // beast