Minor: test settings / fixes (#15)

* tests: TestReader: __test__ = False

* tox.ini: pytest: addopts = -ra

Author: blueyed

testing/infrastructure.py

@@ -57,6 +57,7 @@ def get_event(self, block=1):
 
 
 class TestReader(Reader):
+    __test__ = False
 
     def get_prompt(self, lineno, cursor_on_line):
         return ''

tox.ini

@@ -21,6 +21,7 @@ commands = flake8 --max-complexity=10 setup.py pyrepl testing pythoni pythoni1
 
 [pytest]
 testpaths = testing
+addopts = -ra
 
 [coverage:run]
 include = pyrepl/*, testing/*