url: update searchParams tests to expect encoded results

Author: MattIPv4

test/fixtures/wpt/url/url-searchparams.any.js

@@ -61,12 +61,13 @@ function runURLSearchParamTests() {
     assert_equals(searchParams.get('e'), 'updated')
 
     var url2 = bURL('http://example.org/file??a=b&c=d')
-    assert_equals(url2.search, '??a=b&c=d')
-    assert_equals(url2.searchParams.toString(), '%3Fa=b&c=d')
+    var searchParams2 = url2.searchParams
+    assert_equals(url2.search, '?%3Fa=b&c=d')
+    assert_equals(searchParams2.toString(), '%3Fa=b&c=d')
 
     url2.href = 'http://example.org/file??a=b'
-    assert_equals(url2.search, '??a=b')
-    assert_equals(url2.searchParams.toString(), '%3Fa=b')
+    assert_equals(url2.search, '?%3Fa=b')
+    assert_equals(searchParams2.toString(), '%3Fa=b')
   }, 'URL.searchParams and URL.search setters, update propagation')
 }
 runURLSearchParamTests()

test/fixtures/wpt/url/urlsearchparams-stringifier.any.js

@@ -125,7 +125,7 @@ test(() => {
     const url = new URL('http://www.example.com/?a=b,c');
     const params = url.searchParams;
 
-    assert_equals(url.toString(), 'http://www.example.com/?a=b,c');
+    assert_equals(url.toString(), 'http://www.example.com/?a=b%2Cc');
     assert_equals(params.toString(), 'a=b%2Cc');
 
     params.append('x', 'y');