Update testing scripts:

 - updated travis
 - updated appveryor
 - updated azure

Signed-off-by: Chin Yeung Li <[email protected]>

Author: chinyeungli

.travis.yml

@@ -19,4 +19,4 @@ python:
 install: ./configure --dev
 
 # Scripts to run at script stage
-script: tmp/bin/pytest
+script: bin/pytest

appveyor.yml

@@ -7,5 +7,5 @@ build: off
 
 test_script:
     - set
-    - tmp/bin/activate
+    - bin/activate
     - pytest -vvs tests

azure-pipelines.yml

@@ -13,52 +13,52 @@ jobs:
           image_name: ubuntu-16.04
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp/bin/pytest -vvs
+              all: bin/pytest -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: ubuntu18_cpython
           image_name: ubuntu-18.04
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp/bin/pytest -n 2 -vvs
+              all: bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: ubuntu20_cpython
           image_name: ubuntu-20.04
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp/bin/pytest -n 2 -vvs
+              all: bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: macos1014_cpython
           image_name: macos-10.14
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp/bin/pytest -n 2 -vvs
+              all: bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-posix.yml
       parameters:
           job_name: macos1015_cpython
           image_name: macos-10.15
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp/bin/pytest -n 2 -vvs
+              all: bin/pytest -n 2 -vvs
 
     - template: etc/ci/azure-win.yml
       parameters:
           job_name: win2016_cpython
           image_name: vs2017-win2016
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp\Scripts\pytest -n 2 -vvs
+              all: Scripts\pytest -n 2 -vvs
 
     - template: etc/ci/azure-win.yml
       parameters:
           job_name: win2019_cpython
           image_name: windows-2019
           python_versions: ['3.6', '3.7', '3.8', '3.9']
           test_suites:
-              all: tmp\Scripts\pytest -n 2 -vvs
+              all: Scripts\pytest -n 2 -vvs