upgrade appveyor

Author: mr-c

appveyor.yml

@@ -1,55 +1,39 @@
 version: .{build}-{branch}
 
+cache:
+ - '%LOCALAPPDATA%\pip\Cache'
+
 environment:
-  nodejs_version: "8"
 
   SYSTEMROOT: "C:\\WINDOWS"
 
   matrix:
-    - PYTHON: "C:\\Python27"
-      PYTHON_VERSION: "2.7.x"
-      PYTHON_ARCH: "32"
-
     - PYTHON: "C:\\Python27-x64"
       PYTHON_VERSION: "2.7.x"
       PYTHON_ARCH: "64"
 
-    - PYTHON: "C:\\Python34"
-      PYTHON_VERSION: "3.4.x"
-      PYTHON_ARCH: "32"
-
     - PYTHON: "C:\\Python34-x64"
       PYTHON_VERSION: "3.4.x"
       PYTHON_ARCH: "64"
 
-    - PYTHON: "C:\\Python35"
-      PYTHON_VERSION: "3.5.x"
-      PYTHON_ARCH: "32"
-
     - PYTHON: "C:\\Python35-x64"
       PYTHON_VERSION: "3.5.x"
       PYTHON_ARCH: "64"
 
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.x"
-      PYTHON_ARCH: "32"
-
     - PYTHON: "C:\\Python36-x64"
       PYTHON_VERSION: "3.6.x"
       PYTHON_ARCH: "64"
 
 install:
-  - "%PYTHON%\\python.exe -m pip install -U wheel setuptools pip pytest mock"
-  # Get the latest stable version of Node.js or io.js
-  - ps: Install-Product node $env:nodejs_version
+  - "%PYTHON%\\python.exe -m pip install -U wheel pytest pytest-xdist mock"
 
 build_script:
   - "%PYTHON%\\python.exe -m pip install ."
 
 test_script:
-  - "%PYTHON%\\python.exe -m pytest --verbose -p no:cacheprovider --junit-xml=tests.xml"
+  - "%PYTHON%\\python.exe -m pytest --verbose -p no:cacheprovider --junit-xml=tests.xml -n2"
 
-after_test:
+on_finish:
   - ps: |
       $wc = New-Object 'System.Net.WebClient'
       $wc.UploadFile("https://ci.appveyor.com/api/testresults/junit/$($Env:APPVEYOR_JOB_ID)", (Resolve-Path .\tests.xml))