Run only single tests on AppVeyor

Author: DonJayamanne

.appveyor.yml

@@ -3,69 +3,21 @@
 
 environment:
   matrix:
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      DEBUGGER_TEST: "true"
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      DEBUGGER_TEST_RELEASE: "true"
     - PYTHON: "C:\\Python36"
       PYTHON_VERSION: "3.6.3"
       PYTHON_ARCH: "32"
       nodejs_version: "8.9.1"
       APPVEYOR: "true"
       SINGLE_WORKSPACE_TEST: "true"
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      MULTIROOT_WORKSPACE_TEST: "true"
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      ANALYSIS_TEST: "true"
 
 matrix:
   allow_failures:
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      DEBUGGER_TEST: "true"
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      DEBUGGER_TEST_RELEASE: "true"
     - PYTHON: "C:\\Python36"
       PYTHON_VERSION: "3.6.3"
       PYTHON_ARCH: "32"
       nodejs_version: "8.9.1"
       APPVEYOR: "true"
       SINGLE_WORKSPACE_TEST: "true"
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      MULTIROOT_WORKSPACE_TEST: "true"
-    - PYTHON: "C:\\Python36"
-      PYTHON_VERSION: "3.6.3"
-      PYTHON_ARCH: "32"
-      nodejs_version: "8.9.1"
-      APPVEYOR: "true"
-      ANALYSIS_TEST: "true"
 
 init:
   - "ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%"