Convert Encoding API tests to W3C testharness.js

LayoutTests/fast/encoding/api/byte-order-marks-expected.txt

Index: LayoutTests/fast/encoding/api/byte-order-marks-expected.txt
diff --git a/LayoutTests/fast/encoding/api/byte-order-marks-expected.txt b/LayoutTests/fast/encoding/api/byte-order-marks-expected.txt
index fb1f7a10ba4de6f3a28090a98d941d3cfbfb9009..3cd4f9bc2455a5b88cd265db6e02e3be81e53317 100644
--- a/LayoutTests/fast/encoding/api/byte-order-marks-expected.txt
+++ b/LayoutTests/fast/encoding/api/byte-order-marks-expected.txt
@@ -1,21 +1,6 @@
-Test the Encoding API's handling of byte-order marks (BOMs).
-
-On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
-
-
-PASS new TextDecoder('utf-8').decode(new Uint8Array(utf8)) is "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16le').decode(new Uint8Array(utf16le)) is "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16be').decode(new Uint8Array(utf16be)) is "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-8').decode(new Uint8Array(utf8_bom.concat(utf8))) is "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16le').decode(new Uint8Array(utf16le_bom.concat(utf16le))) is "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16be').decode(new Uint8Array(utf16be_bom.concat(utf16be))) is "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-8').decode(new Uint8Array(utf16le_bom.concat(utf8))) is not "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-8').decode(new Uint8Array(utf16be_bom.concat(utf8))) is not "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16le').decode(new Uint8Array(utf8_bom.concat(utf16le))) is not "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16le').decode(new Uint8Array(utf16be_bom.concat(utf16le))) is not "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16be').decode(new Uint8Array(utf8_bom.concat(utf16be))) is not "z¢水𝄞􏿽"
-PASS new TextDecoder('utf-16be').decode(new Uint8Array(utf16le_bom.concat(utf16be))) is not "z¢水𝄞􏿽"
-PASS successfullyParsed is true
-
-TEST COMPLETE
+This is a testharness.js-based test.
+PASS Byte-order marks: utf-8 
+PASS Byte-order marks: utf-16le 
+PASS Byte-order marks: utf-16be 
+Harness: the test ran to completion.