Update tests for entrypoints

test/contracts/remote_call.aes

@@ -1,27 +1,27 @@
 
 contract Remote1 =
-  function main : (int) => int
+  entrypoint main : (int) => int
 
 contract Remote2 =
-  function call : (Remote1, int) => int
+  entrypoint call : (Remote1, int) => int
 
 contract Remote3 =
-  function get : () => int
-  function tick : () => ()
+  entrypoint get : () => int
+  entrypoint tick : () => ()
 
 contract RemoteCall =
 
-    stateful function call(r : Remote1, x : int) : int =
+    stateful entrypoint call(r : Remote1, x : int) : int =
         r.main(gas = 10000, value = 10, x)
 
-    function staged_call(r1 : Remote1, r2 : Remote2, x : int) =
+    entrypoint staged_call(r1 : Remote1, r2 : Remote2, x : int) =
         r2.call(r1, x)
 
-    function increment(r3 : Remote3) =
+    entrypoint increment(r3 : Remote3) =
         r3.tick()
 
-    function get(r3 : Remote3) =
+    entrypoint get(r3 : Remote3) =
         r3.get()
 
-    function plus(x, y) = x + y
+    entrypoint plus(x, y) = x + y