test,assert: add deepEqual/deepStrictEqual tests for typed arrays

Let's test typed arrays which have a .byteOffset and .byteLength (i.e.
typed arrays that are slices of parent typed arrays).

PR-URL: #8002
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Prince John Wesley <princejohnwesley@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

Author: feross

test/parallel/test-assert-typedarray-deepequal.js

@@ -26,7 +26,10 @@ const equalArrayPairs = [
   [new Int16Array([256]), new Uint16Array([256])],
   [new Float32Array([+0.0]), new Float32Array([-0.0])],
   [new Float64Array([+0.0]), new Float32Array([-0.0])],
-  [new Float64Array([+0.0]), new Float64Array([-0.0])]
+  [new Float64Array([+0.0]), new Float64Array([-0.0])],
+  [new Uint8Array([1, 2, 3, 4]).subarray(1), new Uint8Array([2, 3, 4])],
+  [new Uint16Array([1, 2, 3, 4]).subarray(1), new Uint16Array([2, 3, 4])],
+  [new Uint32Array([1, 2, 3, 4]).subarray(1, 3), new Uint32Array([2, 3])]
 ];
 
 const notEqualArrayPairs = [