Merge pull request #19 from GitHubRGI/assimilate_test_bug

Unit Test test_assimilate_errror bug fixed

Author: marycarome

Testing/test_tiles2gpkg.py

@@ -458,10 +458,10 @@ def test_file_path(self):
     def test_assimilate_error(self):
         session_folder = make_session_folder()
         chdir(session_folder)
-        gpkg = Geopackage(session_folder, 3395)
-        remove(join(getcwd(), gpkg.file_path))
-        with raises(IOError):
-            gpkg.assimilate("None")
+        with Geopackage(session_folder, 3395) as gpkg:
+            with raises(IOError):
+                gpkg.assimilate("None")        
+        remove(join(getcwd(), gpkg.file_path)) 
 
     def test_execute_return(self):
         session_folder = make_session_folder()