Update testsuite strucuture to latest draft

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@120036 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/time/time.clock/time.clock.steady/now.pass.cpp

@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <chrono>
+
+// steady_clock
+
+// static time_point now();
+
+#include <chrono>
+#include <cassert>
+
+int main()
+{
+    typedef std::chrono::steady_clock C;
+    C::time_point t1 = C::now();
+    C::time_point t2 = C::now();
+    assert(t2 >= t1);
+}