make in-place restarts use socket activation, too (for faster/less flaky tests)

testcases/lib/i3test.pm

@@ -498,6 +498,9 @@ sub get_socket_path {
     my $cookie = $x->get_property(0, $x->get_root_window(), $atom->id, GET_PROPERTY_TYPE_ANY, 0, 256);
     my $reply = $x->get_property_reply($cookie->{sequence});
     my $socketpath = $reply->{value};
+    if ($socketpath eq "/tmp/nested-$ENV{DISPLAY}") {
+        $socketpath .= '-activation';
+    }
     $_cached_socket_path = $socketpath;
     return $socketpath;
 }

testcases/t/143-regress-floating-restart.t

@@ -15,7 +15,6 @@ is(scalar @{$ws->{nodes}}, 0, 'no tiling nodes');
 is(scalar @{$ws->{floating_nodes}}, 1, 'precisely one floating node');
 
 cmd 'restart';
-sleep 0.5;
 
 diag('Checking if i3 still lives');
 

testcases/t/150-regress-dock-restart.t

@@ -38,8 +38,6 @@ is($docknode->{rect}->{height}, 30, 'dock node has unchanged height');
 # perform an inplace-restart
 cmd 'restart';
 
-sleep 0.25;
-
 does_i3_live;
 
 
@@ -78,7 +76,6 @@ $docknode = $docked[0];
 is($docknode->{rect}->{height}, 20, 'dock node has unchanged height');
 
 cmd 'restart';
-sleep 0.25;
 
 @docked = get_dock_clients;
 is(@docked, 1, 'one dock client found');

testcases/t/161-regress-borders-restart.t

@@ -28,8 +28,6 @@ is(get_border_style(), '1pixel', 'border style 1pixel after changing');
 # perform an inplace-restart
 cmd 'restart';
 
-sleep 0.25;
-
 does_i3_live;
 
 is(get_border_style(), '1pixel', 'border style still 1pixel after restart');

testcases/t/168-regress-fullscreen-restart.t

@@ -17,7 +17,6 @@ cmd 'fullscreen';
 sync_with_i3;
 
 cmd 'restart';
-sleep 1;
 
 does_i3_live;
 

testcases/t/185-scratchpad.t

@@ -278,7 +278,6 @@ my $old_nodes = scalar @{$__i3_scratch->{nodes}};
 my $old_floating_nodes = scalar @{$__i3_scratch->{floating_nodes}};
 
 cmd 'restart';
-sleep 1;
 
 does_i3_live;
 

testcases/t/188-regress-focus-restart.t

@@ -20,7 +20,6 @@ is($focus->[0], $nodes->[0]->{id}, 'first node focused');
 is($focus->[1], $nodes->[1]->{id}, 'second node second in focus stack');
 
 cmd 'restart';
-sleep 1;
 
 does_i3_live;