requirements: remove 'tox' and 'requests-mock' (test)

Author: glarrain

requirements/test.txt

@@ -5,8 +5,8 @@
 coverage==4.5.1
 flake8==3.5.0
 mypy==0.650
-requests-mock==1.5.2
-tox==3.2.1
+#requests-mock==1.5.2
+#tox==3.2.1
 
 # Packages dependencies:
 #   - flake8:
@@ -22,9 +22,9 @@ tox==3.2.1
 #       - virtualenv
 mccabe==0.6.1
 mypy-extensions==0.4.1
-pluggy==0.7.1
-py==1.5.4
+#pluggy==0.7.1
+#py==1.5.4
 pycodestyle==2.3.1
 pyflakes==1.6.0
 typed-ast==1.1.0
-virtualenv==16.0.0
+#virtualenv==16.0.0