slapos-testing: install coreutils

some tests use commands such as cat or sleep, so use slapos provided
version.

software/slapos-testing/buildout.hash.cfg

@@ -16,5 +16,5 @@
 
 [template]
 filename = instance.cfg
-md5sum = 45754beef033e834c3e30c457fd27c87
+md5sum = 7d893adb2b3711b5521b8d46af5fb8e0
 

software/slapos-testing/instance.cfg

@@ -68,7 +68,7 @@ command-line =
    --source_code_path_list=$${caucase:location},$${erp5.util:location},$${slapos.cookbook:location},$${slapos.core:location},$${slapos.recipe.build:location},$${slapos.recipe.cmmi:location},$${slapos.recipe.template:location},$${slapos.toolbox:location}
 parameters-extra = true
 environment =
-  PATH=${curl:location}/bin:${openssl:location}/bin:${git:location}/bin:${libxslt:location}/bin:%(PATH)s
+  PATH=${coreutils:location}/bin:${curl:location}/bin:${openssl:location}/bin:${git:location}/bin:${libxslt:location}/bin:%(PATH)s
 
 [phantomjs-wrapper]
 recipe = slapos.cookbook:wrapper

software/slapos-testing/software.cfg

@@ -9,6 +9,7 @@ extends =
   ../../component/zlib/buildout.cfg
   ../../component/phantomjs/buildout.cfg
   ../../component/pycurl/buildout.cfg
+  ../../component/coreutils/buildout.cfg
   ../../stack/slapos.cfg
   ./buildout.hash.cfg