test: re-enable assert_throws_stack tests for node-chakracore (#504)

Author: mike-kaufman

test/message/assert_throws_stack.chakracore.out

@@ -1,9 +1,15 @@
 assert.js:*
-      compareExceptionKey(actual, expected, key, msg);
+      compareExceptionKey(actual, expected, key, msg, keys);
       ^
 
-AssertionError [ERR_ASSERTION]: bar: expected true, not undefined
-   at Anonymous function (*assert_throws_stack.js:*:*)
+AssertionError [ERR_ASSERTION]: Input A expected to deepStrictEqual input B:
++ expected - actual
+
+- Comparison {}
++ Comparison {
++   bar: true
++ }
+   at Anonymous function (*assert_throws_stack.js:*)
+   at *
    at *
    at *
-   at *

test/message/assert_throws_stack.js

@@ -3,8 +3,4 @@
 require('../common');
 const assert = require('assert').strict;
 
-// Temporarily disabled on chakra.
-const common = require('../common');
-if (!common.isChakraEngine) {
 assert.throws(() => { throw new Error('foo'); }, { bar: true });
-}