Setting empty script text should remove child node of script element

LayoutTests/TestExpectations

Index: LayoutTests/TestExpectations
diff --git a/LayoutTests/TestExpectations b/LayoutTests/TestExpectations
index 37886fb2e45e8dea5646dfe5369b1eb596480e46..cf262a448a69801707cf73c0c10d48e857f30671 100644
--- a/LayoutTests/TestExpectations
+++ b/LayoutTests/TestExpectations
@@ -376,10 +376,9 @@ crbug.com/490511 imported/web-platform-tests/html/semantics/embedded-content/med
 crbug.com/490511 imported/web-platform-tests/html/semantics/embedded-content/media-elements/location-of-the-media-resource/currentSrc.html [ Failure ]
 crbug.com/520835 imported/web-platform-tests/html/semantics/forms/attributes-common-to-form-controls/formAction_document_address.html [ Failure ]
 crbug.com/520835 imported/web-platform-tests/html/semantics/forms/attributes-common-to-form-controls/formaction.html [ Failure ]
-# script-for-event.html and script-text.html: We can't check in failure results
-# because we also have script-for-event.xhtml and script-text.xhtml.
+# script-for-event.html: We can't check in failure results
+# because we also have script-for-event.xhtml.
 crbug.com/520844 imported/web-platform-tests/html/semantics/scripting-1/the-script-element/script-for-event.html [ Failure ]
-crbug.com/520849 imported/web-platform-tests/html/semantics/scripting-1/the-script-element/script-text.html [ Failure ]
 crbug.com/490511 imported/web-platform-tests/html/webappapis/scripting/processing-model-2/compile-error-in-setInterval.html [ Failure ]
 crbug.com/490511 imported/web-platform-tests/html/webappapis/scripting/processing-model-2/compile-error-in-setTimeout.html [ Failure ]
 crbug.com/490511 imported/web-platform-tests/html/webappapis/scripting/processing-model-2/runtime-error-in-setInterval.html [ Failure ]