Fetch API: Remove expectation files of request.js

third_party/WebKit/LayoutTests/http/tests/fetch/script-tests/request.js

 if (self.importScripts) {
   importScripts('../resources/fetch-test-helpers.js');
 }
 
 var URL = 'https://www.example.com/test.html';
 
 test(function() {
     var headers = new Headers;
     headers.set('User-Agent', 'Mozilla/5.0');
     headers.set('Accept', 'text/html');
@@ skipping 180 matching lines @@
                     assert_equals(request2.method,
                                   method2 ? method2 : request1.method,
                                   'Request.method should be overridden');
                     assert_equals(request2.mode,
                                   mode2 ? mode2 : request1.mode,
                                   'Request.mode should be overridden');
                   });
               });
           });
       });
-  }, 'Request header test');
+  }, 'Request method test');
 
 test(function() {
     var request1 = {};
     var request2 = {};
     var CREDENTIALS = ['omit', 'same-origin', 'include', '', undefined];
     CREDENTIALS.forEach(function(credentials1) {
         var init1 = {};
         if (credentials1 != undefined) { init1['credentials'] = credentials1; }
         request1 = new Request(URL, init1);
         assert_equals(request1.credentials, credentials1 || 'omit',
@@ skipping 152 matching lines @@
     assert_true(req.bodyUsed,
                 'Request should be flagged as used if it has been consumed.');
     assert_false(req2.bodyUsed,
                  'Request should not be flagged as used if it has not been ' +
                  'consumed.');
     // See https://crbug.com/501195.
     assert_throws(
       {name: 'TypeError'},
       function() { new Request(req); },
       'Request construction should throw if used.');
-  }, 'Request construction without body behavior regardning "bodyUsed"');
+  }, 'POST Request construction without body behavior regardning "bodyUsed"');
 
 test(function() {
     var req = new Request(URL, {method: 'POST', body: 'hello'});
     assert_false(req.bodyUsed,
                  'Request should not be flagged as used if it has not been ' +
                  'consumed.');
     assert_throws(
       {name: 'TypeError'},
       function() { new Request(req, {method: 'GET'}); },
       'A get request may not have body.');
@@ skipping 428 matching lines @@
                            credentials: 'include',
                            body: 'this is a body'});
 
     return req.text()
         .then(t => {
            assert_equals(t, 'this is a body');
         });
   }, 'Credentials and body can both be set.');
 
 done();