tests: Reduce boilerplate for users of 'system-test-runner'.

* gnu/tests/audio.scm, gnu/tests/base.scm, gnu/tests/ci.scm,
gnu/tests/cups.scm, gnu/tests/databases.scm, gnu/tests/desktop.scm,
gnu/tests/dict.scm, gnu/tests/docker.scm, gnu/tests/file-sharing.scm,
gnu/tests/ganeti.scm, gnu/tests/guix.scm, gnu/tests/ldap.scm,
gnu/tests/linux-modules.scm,
gnu/tests/mail.scm, gnu/tests/messaging.scm, gnu/tests/monitoring.scm,
gnu/tests/networking.scm, gnu/tests/nfs.scm,
gnu/tests/package-management.scm, gnu/tests/reconfigure.scm,
gnu/tests/rsync.scm, gnu/tests/security-token.scm,
gnu/tests/singularity.scm, gnu/tests/ssh.scm, gnu/tests/telephony.scm,
gnu/tests/version-control.scm, gnu/tests/virtualization.scm,
gnu/tests/web.scm: Remove (mkdir #$output) (chdir #$output) and
pass #$output as argument to 'system-test-runner'.

1 files changed, 4 insertions, 16 deletions

diff --git a/gnu/tests/version-control.scm b/gnu/tests/version-control.scm
index c45c2d297c2..092591f40d5 100644
--- a/gnu/tests/version-control.scm
+++ b/gnu/tests/version-control.scm
@@ -132,10 +132,7 @@ HTTP-PORT."
           (define marionette
             (make-marionette (list #$vm)))
 
-          (mkdir #$output)
-          (chdir #$output)
-
-          (test-runner-current (system-test-runner))
+          (test-runner-current (system-test-runner #$output))
           (test-begin "cgit")
 
           ;; XXX: Shepherd reads the config file *before* binding its control
@@ -270,10 +267,7 @@ HTTP-PORT."
           (define marionette
             (make-marionette (list #$vm)))
 
-          (mkdir #$output)
-          (chdir #$output)
-
-          (test-runner-current (system-test-runner))
+          (test-runner-current (system-test-runner #$output))
           (test-begin "git-http")
 
           ;; Wait for nginx to be up and running.
@@ -367,10 +361,7 @@ HTTP-PORT."
           (define marionette
             (make-marionette (list #$vm)))
 
-          (mkdir #$output)
-          (chdir #$output)
-
-          (test-runner-current (system-test-runner))
+          (test-runner-current (system-test-runner #$output))
           (test-begin "gitolite")
 
           ;; Wait for sshd to be up and running.
@@ -472,10 +463,7 @@ HTTP-PORT."
           (define marionette
             (make-marionette (list #$vm)))
 
-          (mkdir #$output)
-          (chdir #$output)
-
-          (test-runner-current (system-test-runner))
+          (test-runner-current (system-test-runner #$output))
           (test-begin "gitile")
 
           ;; XXX: Shepherd reads the config file *before* binding its control