Remove AppVeyor (#7564)

Author: pradyunsg

.appveyor.yml

@@ -12,18 +12,27 @@ jobs:
       Python27-x86:
         python.version: '2.7'
         python.architecture: x86
+      Python27-x64:
+        python.version: '2.7'
+        python.architecture: x64
+        useVenv: true
       Python35-x64:
         python.version: '3.5'
         python.architecture: x64
+      Python36-x64:
+        python.version: '3.6'
+        python.architecture: x64
+        useVenv: true
       Python37-x64:
         python.version: '3.7'
         python.architecture: x64
-    maxParallel: 3
+    maxParallel: 5
 
   steps:
   - template: ../steps/run-tests-windows.yml
     parameters:
       runIntegrationTests: true
+      useVenv: '$(useVenv)'
 
 - job: Test_Secondary
   displayName: Test Secondary

.azure-pipelines/jobs/test-windows.yml

@@ -1,5 +1,6 @@
 parameters:
   runIntegrationTests:
+  useVenv: false
 
 steps:
 - task: UsePythonVersion@0
@@ -43,8 +44,11 @@ steps:
       # https://bugs.python.org/issue18199
       $env:TEMP = "R:\Temp"
 
-      tox -e py -- -m integration -n auto --duration=5 --junit-xml=junit/integration-test.xml
+      tox -e py -- $env:USE_VENV_ARG -m integration -n auto --duration=5 --junit-xml=junit/integration-test.xml
     displayName: Tox run integration tests
+    env:
+      ${{ if eq(parameters.useVenv, 'true') }}:
+        USE_VENV_ARG: "--use-venv"
 
 - task: PublishTestResults@2
   displayName: Publish Test Results

.azure-pipelines/steps/run-tests-windows.yml

@@ -59,16 +59,14 @@ interpreters.
 Services
 ========
 
-pip test suite and checks are distributed on four different platforms that
+pip test suite and checks are distributed on three different platforms that
 provides free executors for open source packages:
 
   - `Travis CI`_ (Used for Linux)
-  - `Appveyor CI`_ (Windows only)
   - `Azure DevOps CI`_ (Linux, MacOS & Windows tests)
   - `GitHub Actions`_ (Linux, MacOS & Windows tests)
 
 .. _`Travis CI`: https://travis-ci.org/
-.. _`Appveyor CI`: https://www.appveyor.com/
 .. _`Azure DevOps CI`: https://azure.microsoft.com/en-us/services/devops/
 .. _`GitHub Actions`: https://github.com/features/actions
 
@@ -107,11 +105,11 @@ Actual testing
 |           |          +-------+---------------+-----------------+
 |           |          | PyPy3 |               |                 |
 |  Windows  +----------+-------+---------------+-----------------+
-|           |          | CP2.7 |   Appveyor    |   Appveyor      |
+|           |          | CP2.7 |   Azure       |   Azure         |
 |           |          +-------+---------------+-----------------+
 |           |          | CP3.5 |   Azure       |   Azure         |
 |           |          +-------+---------------+-----------------+
-|           |          | CP3.6 |   Appveyor    |   Appveyor      |
+|           |          | CP3.6 |   Azure       |   Azure         |
 |           |          +-------+---------------+-----------------+
 |           |   x64    | CP3.7 |   Azure       |   Azure         |
 |           |          +-------+---------------+-----------------+