Use unit_tests for readFileSync testing.

js/unit_tests.ts

@@ -4,7 +4,7 @@
 //  ./deno tests.ts
 
 import { test, assert, assertEqual } from "./testing/testing.ts";
-// import { readFileSync, writeFileSync } from "deno";
+import { readFileSync } from "deno";
 
 test(async function tests_test() {
   assert(true);
@@ -79,13 +79,6 @@ test(function tests_console_stringify_circular() {
   }
 });
 
-/*
-test(async function tests_fetch() {
-  const response = await fetch("http://localhost:4545/package.json");
-  const json = await response.json();
-  assertEqual(json.name, "deno");
-});
-
 test(async function tests_readFileSync() {
   const data = readFileSync("package.json");
   if (!data.byteLength) {
@@ -99,6 +92,13 @@ test(async function tests_readFileSync() {
   assertEqual(pkg.name, "deno");
 });
 
+/*
+test(async function tests_fetch() {
+  const response = await fetch("http://localhost:4545/package.json");
+  const json = await response.json();
+  assertEqual(json.name, "deno");
+});
+
 test(async function tests_writeFileSync() {
   const enc = new TextEncoder();
   const data = enc.encode("Hello");

package.json

@@ -1,4 +1,5 @@
 {
+  "name": "deno",
   "devDependencies": {
     "@types/base64-js": "^1.2.5",
     "@types/flatbuffers": "^1.9.0",

tests/read_file_sync.ts

@@ -1,18 +0,0 @@
-// TODO(ry) Once unit_tests.js lands (#448) this file should be removed
-// and replaced with a faster version like was done in the prototype.
-// https://github.com/denoland/deno/blob/golang/tests.ts#L34-L45
-import * as deno from "deno";
-
-const data = deno.readFileSync("package.json");
-if (!data.byteLength) {
-  throw Error(
-    `Expected positive value for data.byteLength ${data.byteLength}`
-  );
-}
-const decoder = new TextDecoder("utf-8");
-const json = decoder.decode(data);
-const pkg = JSON.parse(json);
-if (pkg['devDependencies'] == null) {
-  throw Error("Expected a positive number of devDependencies");
-}
-console.log("ok");

tests/read_file_sync.ts.out

@@ -1 +0,0 @@
-ok