[master] 05869183f adjust test to changed counter description

[Nils Goroll]

commit 05869183fb8487de8c956919a1730e162e8ad428
Author: Nils Goroll <nils.goroll at uplex.de>
Date:   Tue May 12 15:34:55 2020 +0200

    adjust test to changed counter description
    
    Ref #3312

diff --git a/bin/varnishtest/tests/u00008.vtc b/bin/varnishtest/tests/u00008.vtc
index 6a0ce88f9..5e6e827ad 100644
--- a/bin/varnishtest/tests/u00008.vtc
+++ b/bin/varnishtest/tests/u00008.vtc
@@ -40,7 +40,7 @@ process p1 -expect-text 0 0 "DIAG"
 process p1 -screen_dump
 
 process p1 -write {dek}
-process p1 -expect-text 0 1 "Concurrent connections to backend:"
+process p1 -expect-text 0 1 "Concurrent connections used:"
 process p1 -screen_dump
 
 process p1 -write {h}
@@ -53,7 +53,7 @@ process p1 -screen_dump
 
 # the counters screen is preserved
 process p1 -write {h}
-process p1 -expect-text 0 1 "Concurrent connections to backend:"
+process p1 -expect-text 0 1 "Concurrent connections used:"
 process p1 -screen_dump
 
 # the help screen always appears from the top