Fix a promise_test misuse in http/tests/fetch/ layout tests

third_party/WebKit/LayoutTests/http/tests/fetch/serviceworker/request-expected.txt

Index: third_party/WebKit/LayoutTests/http/tests/fetch/serviceworker/request-expected.txt
diff --git a/third_party/WebKit/LayoutTests/http/tests/fetch/serviceworker/request-expected.txt b/third_party/WebKit/LayoutTests/http/tests/fetch/serviceworker/request-expected.txt
deleted file mode 100644
index 973e966a029152bc1c6c52c83f1ecf969067cd5b..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/http/tests/fetch/serviceworker/request-expected.txt
+++ /dev/null
@@ -1,42 +0,0 @@
-This is a testharness.js-based test.
-PASS Startup 
-PASS request 
-PASS Request basic test 
-PASS Request default value test 
-PASS Request header test 
-PASS Request header test 
-PASS Request credentials test 
-PASS Request redirect test 
-PASS Request integrity test 
-PASS Request method name throw test 
-PASS Request mode throw test 
-PASS Request: valid method names and normalize test 
-PASS Request construction with URLs with credentials. 
-PASS Request construction without body behavior regardning "bodyUsed" 
-PASS Request construction without body behavior regardning "bodyUsed" 
-PASS Request construction failure should not set "bodyUsed" 
-PASS Request without RequestInit. 
-PASS Request with referrer=about:client. 
-PASS Request with no-referrer. 
-PASS Request with a url referrer 
-PASS Request with a url referrer containing user, pass, and so on 
-PASS Request with a url with another origin 
-PASS Request with an invalid referrer 
-PASS Request with a relative referrer 
-PASS Referrer policy settings 
-PASS Referrer policy should be cleared when any members are set 
-FAIL Request of GET/HEAD method cannot have RequestInit body. assert_not_equals: got disallowed value undefined
-PASS Used => clone 
-PASS Test clone behavior with loading content from Request. 
-PASS Request body test 
-PASS Request throw error test 
-PASS MIME type for Blob 
-PASS MIME type for Blob with non-empty type 
-PASS MIME type for FormData 
-PASS MIME type for USVString 
-PASS Extract a MIME type with clone 
-PASS MIME type unchanged if headers are modified after Request() constructor 
-PASS Extract a MIME type (1) 
-PASS Credentials and body can both be set. 
-Harness: the test ran to completion.
-