diff --git a/LayoutTests/ChangeLog b/LayoutTests/ChangeLog
index 55e936e..62004e0 100644
--- a/LayoutTests/ChangeLog
+++ b/LayoutTests/ChangeLog
@@ -1,3 +1,16 @@
+2020-04-02  John Wilander  <wilander@apple.com>
+
+        Rebase expectation files for anchor tag tests with line number output
+        https://bugs.webkit.org/show_bug.cgi?id=209945
+        <rdar://problem/61237662>
+
+        Unreviewed test gardening.
+
+        * http/tests/adClickAttribution/anchor-tag-attributes-validation-expected.txt:
+            Rebased since the lines of the console output have changed.
+        * http/tests/security/anchor-download-block-crossorigin-expected.txt:
+            Rebased since the lines of the console output have changed.
+
 2020-04-02  Andres Gonzalez  <andresg_22@apple.com>
 
         Crash in RenderMenuList::didUpdateActiveOption.
diff --git a/LayoutTests/http/tests/adClickAttribution/anchor-tag-attributes-validation-expected.txt b/LayoutTests/http/tests/adClickAttribution/anchor-tag-attributes-validation-expected.txt
index 3330abe..3bc71d4 100644
--- a/LayoutTests/http/tests/adClickAttribution/anchor-tag-attributes-validation-expected.txt
+++ b/LayoutTests/http/tests/adClickAttribution/anchor-tag-attributes-validation-expected.txt
@@ -1,14 +1,14 @@
-CONSOLE MESSAGE: line 188: adcampaignid must have a non-negative value less than or equal to 63 for Ad Click Attribution.
-CONSOLE MESSAGE: line 188: adcampaignid must have a non-negative value less than or equal to 63 for Ad Click Attribution.
-CONSOLE MESSAGE: line 188: adcampaignid can not be converted to a non-negative integer which is required for Ad Click Attribution.
-CONSOLE MESSAGE: line 188: adcampaignid can not be converted to a non-negative integer which is required for Ad Click Attribution.
-CONSOLE MESSAGE: line 188: adcampaignid can not be converted to a non-negative integer which is required for Ad Click Attribution.
-CONSOLE MESSAGE: line 188: addestination could not be converted to a valid HTTP-family URL.
-CONSOLE MESSAGE: line 188: addestination could not be converted to a valid HTTP-family URL.
-CONSOLE MESSAGE: line 188: addestination could not be converted to a valid HTTP-family URL.
-CONSOLE MESSAGE: line 188: Both adcampaignid and addestination need to be set for Ad Click Attribution to work.
-CONSOLE MESSAGE: line 188: Both adcampaignid and addestination need to be set for Ad Click Attribution to work.
-CONSOLE MESSAGE: line 188: addestination can not be the same site as the current website.
+CONSOLE MESSAGE: line 197: adcampaignid must have a non-negative value less than or equal to 63 for Ad Click Attribution.
+CONSOLE MESSAGE: line 197: adcampaignid must have a non-negative value less than or equal to 63 for Ad Click Attribution.
+CONSOLE MESSAGE: line 197: adcampaignid can not be converted to a non-negative integer which is required for Ad Click Attribution.
+CONSOLE MESSAGE: line 197: adcampaignid can not be converted to a non-negative integer which is required for Ad Click Attribution.
+CONSOLE MESSAGE: line 197: adcampaignid can not be converted to a non-negative integer which is required for Ad Click Attribution.
+CONSOLE MESSAGE: line 197: addestination could not be converted to a valid HTTP-family URL.
+CONSOLE MESSAGE: line 197: addestination could not be converted to a valid HTTP-family URL.
+CONSOLE MESSAGE: line 197: addestination could not be converted to a valid HTTP-family URL.
+CONSOLE MESSAGE: line 197: Both adcampaignid and addestination need to be set for Ad Click Attribution to work.
+CONSOLE MESSAGE: line 197: Both adcampaignid and addestination need to be set for Ad Click Attribution to work.
+CONSOLE MESSAGE: line 197: addestination can not be the same site as the current website.
 Test for validity of ad click attribution attributes on anchor tags.
 
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
diff --git a/LayoutTests/http/tests/security/anchor-download-block-crossorigin-expected.txt b/LayoutTests/http/tests/security/anchor-download-block-crossorigin-expected.txt
index d04ef98..94d766c 100644
--- a/LayoutTests/http/tests/security/anchor-download-block-crossorigin-expected.txt
+++ b/LayoutTests/http/tests/security/anchor-download-block-crossorigin-expected.txt
@@ -1,4 +1,4 @@
-CONSOLE MESSAGE: line 188: The download attribute on anchor was ignored because its href URL has a different security origin.
+CONSOLE MESSAGE: line 197: The download attribute on anchor was ignored because its href URL has a different security origin.
 Tests that the download attribute is ignored if the link is cross origin.
 
 It should navigate the subframe instead of downloading the file.