Fix remaining Qt 5.8 QtWebEngine test failures

doc/help/commands.asciidoc

@@ -1138,6 +1138,9 @@ Show an info message in the statusbar.
 ==== positional arguments
 * +'text'+: The text to show.
 
+==== count
+How many times to show the message
+
 [[message-warning]]
 === message-warning
 Syntax: +:message-warning 'text'+

qutebrowser/misc/utilcmds.py

@@ -115,13 +115,16 @@ def message_error(text):
 
 
 @cmdutils.register(hide=True)
-def message_info(text):
+@cmdutils.argument('count', count=True)
+def message_info(text, count=1):
     """Show an info message in the statusbar.
 
     Args:
         text: The text to show.
+        count: How many times to show the message
     """
-    message.info(text)
+    for _ in range(count):
+        message.info(text)
 
 
 @cmdutils.register(hide=True)

tests/end2end/features/tabs.feature

@@ -917,6 +917,7 @@ Feature: Tab management
         And I run :buffer "99/1"
         Then the error "There's no window with id 99!" should be shown
 
+    @qtwebengine_flaky
     Scenario: :buffer with matching window index
         Given I have a fresh instance
         When I open data/title.html

tests/end2end/features/utilcmds.feature

@@ -99,29 +99,24 @@ Feature: Miscellaneous utility commands exposed to the user.
     ## :repeat-command
 
     Scenario: :repeat-command
-        When I run :scroll down
+        When I run :message-info test1
         And I run :repeat-command
-        And I run :scroll up
-        Then the page should be scrolled vertically
+        Then the message "test1" should be shown
+        And the message "test1" should be shown
 
     Scenario: :repeat-command with count
-        When I run :scroll down with count 3
-        And I wait until the scroll position changed
-        And I run :scroll up
-        And I wait until the scroll position changed
+        When I run :message-info test2
         And I run :repeat-command with count 2
-        And I wait until the scroll position changed to 0/0
-        Then the page should not be scrolled
+        Then the message "test2" should be shown
+        And the message "test2" should be shown
+        And the message "test2" should be shown
 
     Scenario: :repeat-command with not-normal command inbetween
-        When I run :scroll down with count 3
-        And I wait until the scroll position changed
-        And I run :scroll up
-        And I wait until the scroll position changed
+        When I run :message-info test3
         And I run :prompt-accept
-        And I run :repeat-command with count 2
-        And I wait until the scroll position changed to 0/0
-        Then the page should not be scrolled
+        And I run :repeat-command
+        Then the message "test3" should be shown
+        And the message "test3" should be shown
         And the error "prompt-accept: This command is only allowed in prompt/yesno mode, not normal." should be shown
 
     Scenario: :repeat-command with mode-switching command

tests/end2end/fixtures/quteprocess.py

@@ -63,6 +63,14 @@ def is_ignored_lowlevel_message(message):
         return True
     elif 'CERT_PKIXVerifyCert for localhost failed' in message:
         return True
+    elif 'Invalid node channel message' in message:
+        # Started appearing in sessions.feature with Qt 5.8...
+        return True
+    elif ("_dl_allocate_tls_init: Assertion `listp->slotinfo[cnt].gen <= "
+          "GL(dl_tls_generation)' failed!" in message):
+        # Started appearing with Qt 5.8...
+        # http://patchwork.sourceware.org/patch/10255/
+        return True
     return False