Added testrunner.

slapos/recipe/cloudooo/testrunner.py

+import os
+import sys
+def runUnitTest(args):
+  env = os.environ.copy()
+  d = args[0]
+  env['PATH'] = ':'.join([d['prepend_path']] + os.environ['PATH'].split(':'))
+  # Deal with Shebang size limitation
+  executable_filepath = d['call_list'][0]
+  file_object = open(executable_filepath, 'r')
+  line = file_object.readline()
+  file_object.close()
+  argument_list = []
+  if line[:2] == '#!':
+    executable_filepath = line[2:].strip()
+    argument_list.append(executable_filepath)
+  argument_list.extend(d['call_list'])
+  argument_list.extend(sys.argv[1:])
+  argument_list.append(env)
+  os.execle(executable_filepath, *argument_list)