Adapt hidpi spelling tests to use async path for spellcheck

LayoutTests/editing/spelling/inline-spelling-markers-hidpi-composited-expected.txt

Index: LayoutTests/editing/spelling/inline-spelling-markers-hidpi-composited-expected.txt
diff --git a/LayoutTests/editing/spelling/inline-spelling-markers-hidpi-composited-expected.txt b/LayoutTests/editing/spelling/inline-spelling-markers-hidpi-composited-expected.txt
index 7fc6551be9732b3a0c62e8c92f927f685b3363ea..9c32b79579c62015b0648cfe15f5adc4afaef732 100644
--- a/LayoutTests/editing/spelling/inline-spelling-markers-hidpi-composited-expected.txt
+++ b/LayoutTests/editing/spelling/inline-spelling-markers-hidpi-composited-expected.txt
@@ -1,11 +1,40 @@
-This tests the correct placement of inline spelling and grammar markers in text.
-Spelling markers should line up exactly under misspelled words in all cases.
+This tests the correct placement of inline spelling and grammar markers in text. Spelling markers should line up exactly under misspelled words in all cases.
 
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+testLTR:
+PASS internals.hasSpellingMarker(document, 8, 4) became true
+PASS internals.hasSpellingMarker(document, 13, 6) became true
+PASS internals.hasSpellingMarker(document, 20, 5) became true
+PASS internals.hasGrammarMarker(document, 4, 3) became true
+PASS internals.hasGrammarMarker(document, 33, 5) became true
+testRTL:
+PASS internals.hasSpellingMarker(document, 8, 4) became true
+PASS internals.hasSpellingMarker(document, 13, 6) became true
+PASS internals.hasSpellingMarker(document, 20, 5) became true
+PASS internals.hasGrammarMarker(document, 4, 3) became true
+PASS internals.hasGrammarMarker(document, 33, 5) became true
+testLTREllipses:
+PASS internals.hasSpellingMarker(document, 8, 4) became true
+PASS internals.hasSpellingMarker(document, 13, 6) became true
+PASS internals.hasSpellingMarker(document, 20, 5) became true
+PASS internals.hasGrammarMarker(document, 4, 3) became true
+PASS internals.hasGrammarMarker(document, 33, 5) became true
+testRTLEllipses:
+PASS internals.hasSpellingMarker(document, 8, 4) became true
+PASS internals.hasSpellingMarker(document, 13, 6) became true
+PASS internals.hasSpellingMarker(document, 20, 5) became true
+PASS internals.hasGrammarMarker(document, 4, 3) became true
+PASS internals.hasGrammarMarker(document, 33, 5) became true
+PASS successfullyParsed is true
+
+TEST COMPLETE
 LTR
 the the adlj adaasj sdklj. there there
 RTL
 the the adlj adaasj sdklj. there there
-LTR (text-overflow:ellipses):
+LTR (text-overflow:ellipses)
 the the adlj adaasj sdklj. there there
-RTL (text-overflow:ellipses):
+RTL (text-overflow:ellipses)
 the the adlj adaasj sdklj. there there