[Fetch] Request with GET/HEAD method cannot have body

LayoutTests/http/tests/serviceworker/cache-put-expected.txt

Index: LayoutTests/http/tests/serviceworker/cache-put-expected.txt
diff --git a/LayoutTests/http/tests/serviceworker/cache-put-expected.txt b/LayoutTests/http/tests/serviceworker/cache-put-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..993e34091885fe80cb9d5233de18009f5da5912e
--- /dev/null
+++ b/LayoutTests/http/tests/serviceworker/cache-put-expected.txt
@@ -0,0 +1,23 @@
+This is a testharness.js-based test.
+PASS Service Worker: Cache.put 
+PASS Cache.put called with simple Request and Response 
+PASS Cache.put called with Request and Response from fetch() 
+PASS Cache.put with Request without a body 
+PASS Cache.put with Response without a body 
+FAIL Cache.put with Request containing a body promise_test: Unhandled rejection with value: object "TypeError: Request method 'POST' is unsupported"
+PASS Cache.put with a Response containing an empty URL 
+PASS Cache.put with an empty response body 
+PASS Cache.put with HTTP 500 response 
+PASS Cache.put called twice with matching Requests and different Responses 
+PASS Cache.put called twice with request URLs that differ only by a fragment 
+PASS Cache.put with request URLs containing embedded credentials 
+PASS Cache.put with a string request 
+PASS Cache.put with an invalid response 
+PASS Cache.put with a non-HTTP/HTTPS request 
+PASS Cache.put with a relative URL 
+PASS Cache.put with a non-GET request 
+PASS Cache.put with a null response 
+PASS Cache.put with a used request body 
+PASS Cache.put with a used response body 
+Harness: the test ran to completion.
+