slapos-sr-testing: Prepend locally provided bin directory to PATH

software/slapos-sr-testing/buildout.hash.cfg

@@ -15,4 +15,4 @@
 
 [template]
 filename = instance.cfg
-md5sum = 30f0e0c5b88b518047197f251f0aea8d
+md5sum = ceb421decde6512ffee3abea463c4c7a

software/slapos-sr-testing/instance.cfg

@@ -39,7 +39,7 @@ command-line =
   --source_code_path_list=$${test-list:path_list}
 
 environment =
-  PATH=${quic_client-bin:location}:${curl:location}/bin/:/usr/bin/:/bin
+  PATH=${buildout:bin-directory}:${quic_client-bin:location}:${curl:location}/bin/:/usr/bin/:/bin
   SLAPOS_TEST_IPV4=$${slap-configuration:ipv4-random}
   SLAPOS_TEST_IPV6=$${slap-configuration:ipv6-random}
   SLAPOS_TEST_WORKING_DIR=$${directory:working-dir}