restructure test cases to be part of the library

Author: abhishekram

.coveragerc

@@ -0,0 +1,22 @@
+[run]
+branch = True
+omit =
+    */site-packages/*
+    */tests/*
+
+[report]
+exclude_lines =
+
+    # Don't complain about missing debug-only code:
+    def __repr__
+    def __str__
+
+    # Don't complain if tests don't hit defensive assertion code:
+    raise AssertionError
+    raise NotImplementedError
+    assert
+
+    # Don't complain if non-runnable code isn't run:
+    if 0:
+    pass
+    if __name__ == .__main__.:

.gitignore

@@ -91,5 +91,4 @@ ENV/
 # IDEA
 .idea
 .pytest_cache/
-.coverage
 .DS_Store

tests/__init__.py renamed to pyas2lib/tests/__init__.py

@@ -1,9 +1,5 @@
 import unittest
 import os
-import sys
-sys.path.insert(0, os.path.abspath('..'))
-
-from pyas2lib import as2, exceptions, utils
 
 
 class Pyas2TestCase(unittest.TestCase):