all: raise timeout defaults

This avoids timing out on systems running very slowly.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/dbus/dbus_test.go

@@ -65,13 +65,13 @@ func TestProxyStartWaitCloseString(t *testing.T) {
 }
 
 const (
-	stubProxyTimeout = 5 * time.Second
+	stubProxyTimeout = 15 * time.Second
 )
 
 func testProxyFinaliseStartWaitCloseString(t *testing.T, useSandbox bool) {
 	{
 		oldWaitDelay := helper.WaitDelay
-		helper.WaitDelay = 16 * time.Second
+		helper.WaitDelay = 30 * time.Second
 		t.Cleanup(func() { helper.WaitDelay = oldWaitDelay })
 	}