fixup! Add webmachine-examples opam to fix ocaml-ci.

Author: tmcgilchrist

lib/webmachine.mli

@@ -343,7 +343,7 @@ end
 
     (* static mock time *)
     module MockClock = struct
-      let now = fun () -> 152632270
+      let now = fun () -> 1526322704l
     end
 
     (* using Unix.gettimeofday *)

lib_test/test_dispatch.ml

@@ -41,7 +41,7 @@ module Id = struct
 end
 
 module ClockMock = struct
-  let now = fun () -> 152632270
+  let now = fun () -> 1526322704l
 end
 
 module Webmachine = struct

lib_test/test_logic.ml

@@ -42,7 +42,7 @@ module Id = struct
 end
 
 module ClockMock = struct
-  let now = fun () -> 152632270
+  let now = fun () -> 1526322704l
 end
 
 module Webmachine = struct