Address a FIXME.

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

Index: LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
diff --git a/LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt b/LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
index ecd06c8bb0a68b0ea81a775d17418de897bf8820..199ec2d0ca41eee2ded2986e38e177c277720c18 100644
--- a/LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
+++ b/LayoutTests/crypto/aes-gcm-parseAlgorithm-failures-expected.txt
@@ -3,13 +3,35 @@ Tests bad algorithm inputs for AES-GCM
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
+
+Importing AES-GCM key...
+
+encrypt() without iv...
 error is: SyntaxError: AesGcmParams: iv: Missing required property
+
+encrypt() with iv that is a number...
 error is: SyntaxError: AesGcmParams: iv: Not a BufferSource
+
+encrypt() with iv that is a string...
 error is: SyntaxError: AesGcmParams: iv: Not a BufferSource
+
+encrypt() with additionalData that is a string...
 error is: SyntaxError: AesGcmParams: additionalData: Not a BufferSource
+
+encrypt() with tagLength that is a string...
 error is: SyntaxError: AesGcmParams: tagLength: Is not a number
+
+encrypt() with negative tagLength...
 error is: SyntaxError: AesGcmParams: tagLength: Outside of numeric range
+
+encrypt() with tagLength larger than an octet...
 error is: SyntaxError: AesGcmParams: tagLength: Outside of numeric range
+
+encrypt() with tagLength that is 0...
+error is: OperationError: The tag length is invalid: Must be 32, 64, 96, 104, 112, 120, or 128 bits
+
+encrypt() with tagLength that is 130...
+error is: OperationError: The tag length is invalid: Must be 32, 64, 96, 104, 112, 120, or 128 bits
 PASS successfullyParsed is true
 
 TEST COMPLETE