refactor: rewrite testPerm into unitTest (#4231)

Rewrite "testPerm" helper function used for testing of internal 
runtime code. It's been renamed to "unitTest" and provides API that
is extensible in the future by accepting optional "UnitTestOptions" 
argument. "test" helper was also removed and replaced by
overloaded version of "unitTest" that takes only function argument.

"UnitTestOptions" currently supports "perms" and "skip"
options, where former works exactly as first argument to "testPerm"
did, while the latter allows to conditionally skip tests. 

1 files changed, 3 insertions, 3 deletions

diff --git a/cli/js/tty_test.ts b/cli/js/tty_test.ts
index 034617884..116b0dfe9 100644
--- a/cli/js/tty_test.ts
+++ b/cli/js/tty_test.ts
@@ -1,16 +1,16 @@
 // Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
-import { test, testPerm, assert } from "./test_util.ts";
+import { unitTest, assert } from "./test_util.ts";
 
 // Note tests for Deno.setRaw is in integration tests.
 
-testPerm({ read: true }, function isatty(): void {
+unitTest({ perms: { read: true } }, function isatty(): void {
   // CI not under TTY, so cannot test stdin/stdout/stderr.
   const f = Deno.openSync("cli/tests/hello.txt");
   assert(!Deno.isatty(f.rid));
   f.close();
 });
 
-test(function isattyError(): void {
+unitTest(function isattyError(): void {
   let caught = false;
   try {
     // Absurdly large rid.