Use same representation in webview and quteprocess

Otherwise the "page loaded" message will not be recognized.

Also use percent-encoding to avoid unicode-related bugs on different
systems.

qutebrowser/browser/webview.py

@@ -159,7 +159,7 @@ class WebView(QWebView):
         return page
 
     def __repr__(self):
-        url = utils.elide(self.url().toDisplayString(), 100)
+        url = utils.elide(self.url().toDisplayString(QUrl.EncodeUnicode), 100)
         return utils.get_repr(self, tab_id=self.tab_id, url=url)
 
     def __del__(self):

tests/integration/quteprocess.py

@@ -35,7 +35,7 @@ from PyQt5.QtCore import pyqtSignal, QUrl
 
 import testprocess  # pylint: disable=import-error
 from qutebrowser.misc import ipc
-from qutebrowser.utils import log
+from qutebrowser.utils import log, utils
 
 
 def is_ignored_qt_message(message):
@@ -229,7 +229,9 @@ class QuteProc(testprocess.Process):
     def wait_for_load_finished(self, path, timeout=15000):
         """Wait until any tab has finished loading."""
         url = self._path_to_url(path)
-        url = QUrl(url).toString()
+        # We really need the same representation that the webview uses in its
+        # __repr__
+        url = utils.elide(QUrl(url).toDisplayString(QUrl.EncodeUnicode), 100)
         pattern = re.compile(
             r"(load status for <qutebrowser.browser.webview.WebView "
             r"tab_id=\d+ url='{url}'>: LoadStatus.success|fetch: "