Update test environments

Author: hcoura

.travis.yml

@@ -4,11 +4,11 @@ language: python
 matrix:
   include:
     - python: 2.7
-      env: TOXENV=py27,stack-scrapy-1.0,stack-scrapy-1.1,stack-scrapy-1.2,stack-scrapy-1.3,stack-scrapy-1.4
+      env: TOXENV=py27,stack-scrapy-1.0,stack-scrapy-1.1,stack-scrapy-1.2,stack-scrapy-1.3,stack-scrapy-1.4,stack-scrapy-1.5
     - python: 3.5
       env: TOXENV=py35,stack-scrapy-1.1-py3,stack-scrapy-1.2-py3
     - python: 3.6
-      env: TOXENV=py36,stack-scrapy-1.3-py3,stack-scrapy-1.4-py3
+      env: TOXENV=py36,stack-scrapy-1.3-py3,stack-scrapy-1.4-py3,stack-scrapy-1.5-py3
 
 install:
     - pip install -U tox codecov

requirements.txt

@@ -1,3 +1,3 @@
-scrapy>=0.22
+scrapy>=1.0
 six
 w3lib

tox.ini

@@ -1,6 +1,6 @@
 # tox.ini
 [tox]
-envlist = py27,py34,py35,docs
+envlist = py27,py34,py35,py36,docs
 
 [testenv]
 deps =
@@ -90,12 +90,31 @@ deps =
     w3lib==1.17.0
     -rtests/requirements.txt
 
+[testenv:stack-scrapy-1.5]
+basepython = python2.7
+deps =
+    Scrapy==1.5.1
+    -rtests/requirements.txt
+
+
+[testenv:stack-scrapy-1.5-py3]
+basepython = python3.6
+deps =
+    Scrapy==1.5.1
+    -rtests/requirements.txt
+
 [testenv:py34]
 basepython = python3.4
 
 [testenv:py35]
 basepython = python3.5
 
+[testenv:py36]
+basepython = python3.6
+
+[testenv:py37]
+basepython = python3.7
+
 [docs]
 changedir = docs
 deps =