Modify tests psot-repository that it can actually be executed with psot

tests/data/example_repo/scripts/convert_example.sh

+#!/bin/bash
+echo '{"test":{}}' > $2.json

tests/data/example_repo/scripts/run_example.sh

+#!/bin/bash
+touch $2.example.results

tests/test_repository.py

@@ -23,16 +23,17 @@ class TestExampleRepositoryIsLoadedCorrectly(unittest.TestCase):
   def test_that_run_script_is_resolved_correctly(self):
     # all paths to scripts should be stored as absolute paths in the configuration. This tests checks if the scripts are reachable via the path specified
     script_path = self.config['modules']['example']['analysis']['script']
+    self.assertTrue(os.path.isabs(script_path), "Script is not absolute " + script_path)
     self.assertTrue(os.path.isfile(script_path), "Script is not a file " + script_path)
 
   def test_that_convert_script_is_resolved_correctly(self):
     script_path = self.config['modules']['example']['converter']['script']
+    self.assertTrue(os.path.isabs(script_path), "Script is not absolute " + script_path)
     self.assertTrue(os.path.isfile(script_path), "Script is not a file " + script_path)
 
   def test_that_config_exists(self):
     self.assertTrue('tools' in self.config, 'config.yml not loaded')
 
-
 class TestMergingRepositoriesWorksCorrectly(unittest.TestCase):
 
   def setUp(self):