[ci] fixed version compare in 0070-check_recommended_services.ts

changed version compare from ">" to Build::Rpm::verscmp to avoid wrong check
calculation.

2.8 < 2.9  = true
2.8 < 2.10 = false (becomes "2.8 < 2.1" mathematical)

dist/t/0070-check_recommended_services.ts

@@ -2,18 +2,26 @@
 
 use strict;
 use warnings;
+use Test::More;
 use FindBin;
-use lib "$FindBin::Bin/lib";
+
+BEGIN {
+  unshift @::INC,
+    "$FindBin::Bin/lib",
+    "$FindBin::Bin/../../src/backend/build",
+    "/usr/lib/build"
+  ;
+}
+
 use OBS::Test::Utils;
-use Test::More;
+use Build::Rpm;
 
 my $test_count = 6;
 my $max_wait = 300;
 
 my @daemons = qw/obsdodup obssigner obsdeltastore/;
 my $pkg_ver = OBS::Test::Utils::get_package_version('obs-server', 2);
-
-if ( $pkg_ver > 2.8) {
+if ( Build::Rpm::verscmp($pkg_ver, "2.8.99") > 0) {
   $test_count = 8;
   push (@daemons, 'obsservicedispatch');
 }