[webcrypto] Refactor some layout tests.

LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt

Index: LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
diff --git a/LayoutTests/fast/css/style-scoped/style-scoped-with-dom-operation-expected.txt b/LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
similarity index 22%
copy from LayoutTests/fast/css/style-scoped/style-scoped-with-dom-operation-expected.txt
copy to LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
index 59219cbaba41a48ce9678a1fa08c6e0f028c2110..7f8b22731446a0e4c5ab145b5614555f10ad1e80 100644
--- a/LayoutTests/fast/css/style-scoped/style-scoped-with-dom-operation-expected.txt
+++ b/LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
@@ -1,19 +1,23 @@
-Tests that <style scoped> is correctly applied after DOM operations, i.e. insertBefore, appendChild, and removeChild.
+CONSOLE ERROR: Algorithm: AES-GCM: AesGcmParams: iv: Missing required property
+CONSOLE ERROR: Algorithm: AES-GCM: AesGcmParams: iv: Not an ArrayBufferView
+CONSOLE ERROR: Algorithm: AES-GCM: AesGcmParams: iv: Not an ArrayBufferView
+CONSOLE ERROR: Algorithm: AES-GCM: AesGcmParams: additionalData: Not an ArrayBufferView
+CONSOLE ERROR: Algorithm: AES-GCM: AesGcmParams: tagLength: Is not a number
+CONSOLE ERROR: Algorithm: AES-GCM: AesGcmParams: tagLength: Outside of numeric range
+CONSOLE ERROR: Algorithm: AES-GCM: AesGcmParams: tagLength: Outside of numeric range
+Tests bad algorithm inputs for AES-GCM
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-Insert a new scoped style before an existing scoped style.
-PASS window.getComputedStyle(target).backgroundColor is "rgb(255, 0, 0)"
-Move an inserted scoped style after an existing scoped style.
-PASS window.getComputedStyle(target).backgroundColor is "rgb(0, 0, 255)"
-Move an inserted scoped style into grandparent of an existing scoped style.
-PASS window.getComputedStyle(target).backgroundColor is "rgb(255, 0, 0)"
-Remove an inserted scoped style.
-PASS window.getComputedStyle(target).backgroundColor is "rgb(255, 0, 0)"
-Remove an existing scoped style.
-PASS window.getComputedStyle(target).backgroundColor is "rgb(0, 128, 0)"
+PASS error is null
+PASS error is null
+PASS error is null
+PASS error is null
+PASS error is null
+PASS error is null
+PASS error is null
 PASS successfullyParsed is true
 
 TEST COMPLETE
-Hello, World!
+