focus() behaviour differs depending on how value is set

LayoutTests/editing/pasteboard/copy-in-password-field.html

Index: LayoutTests/editing/pasteboard/copy-in-password-field.html
diff --git a/LayoutTests/editing/pasteboard/copy-in-password-field.html b/LayoutTests/editing/pasteboard/copy-in-password-field.html
index f9e1ccd77fc0a6a428c0bc9fb7a82c7b92c5c000..c2ab61b9ea3eeb3ebf5e596a694cd08c18161453 100644
--- a/LayoutTests/editing/pasteboard/copy-in-password-field.html
+++ b/LayoutTests/editing/pasteboard/copy-in-password-field.html
@@ -8,14 +8,17 @@
 
             // Overwrite the old pasteboard with default results
             document.getElementById("text").focus();
+            document.getElementById("text").select();
             document.execCommand("Copy");
 
             // Try to copy a password
             document.getElementById("password").focus();
+            document.getElementById("password").select();
             document.execCommand("Copy");
 
             // Paste
             document.getElementById("text").focus();
+            document.getElementById("text").select();
             document.execCommand("Paste");
 
             shouldBe('document.getElementById("text").value', '"[not modified]"');