tests: be able to disable "Fetched …" statistics message

The line contains everchanging execution statistics which is harmful for
testcases as they need to filter out such lines, but this is hard so we
can just add an option to disable them instead and be done.

Git-Dch: Ignore

apt-private/acqprogress.cc

@@ -140,6 +140,9 @@ void AcqTextStatus::Stop()
    if (Quiet <= 0)
       cout << '\r' << BlankLine << '\r' << flush;
 
+   if (_config->FindB("quiet::NoStatistic", false) == true)
+      return;
+
    if (FetchedBytes != 0 && _error->PendingError() == false)
       ioprintf(cout,_("Fetched %sB in %s (%sB/s)\n"),
 	       SizeToStr(FetchedBytes).c_str(),

test/integration/framework

@@ -226,6 +226,7 @@ setupenvironment() {
 	fi
 	echo "DPKG::options:: \"--log=${TMPWORKINGDIRECTORY}/rootdir/var/log/dpkg.log\";" >> aptconfig.conf
 	echo 'quiet::NoUpdate "true";' >> aptconfig.conf
+	echo 'quiet::NoStatistic "true";' >> aptconfig.conf
 	echo "Acquire::https::CaInfo \"${TESTDIR}/apt.pem\";" > rootdir/etc/apt/apt.conf.d/99https
         echo "Apt::Cmd::Disable-Script-Warning \"1\";" > rootdir/etc/apt/apt.conf.d/apt-binary
 	configcompression '.' 'gz' #'bz2' 'lzma' 'xz'

test/integration/test-bug-595691-empty-and-broken-archive-files

@@ -13,7 +13,7 @@ setupflataptarchive
 testaptgetupdate() {
 	rm -rf rootdir/var/lib/apt
 	aptget update 2>> testaptgetupdate.diff >> testaptgetupdate.diff || true
-	sed -i -e '/^Fetched / d' -e '/Ign / d' -e '/Release/ d' -e 's#Get:[0-9]\+ #Get: #' -e 's#\[[0-9]* [kMGTPY]*B\]#\[\]#' testaptgetupdate.diff
+	sed -i -e '/Ign / d' -e '/Release/ d' -e 's#Get:[0-9]\+ #Get: #' -e 's#\[[0-9]* [kMGTPY]*B\]#\[\]#' testaptgetupdate.diff
 	GIVEN="$1"
 	shift
 	msgtest "Test for correctness of" "apt-get update with $*"