split appveyor tests (jobs)

Author: DonJayamanne

appveyor.yml

@@ -5,6 +5,19 @@ environment:
       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"
+      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"
 
 init:
   - "ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%"
@@ -23,8 +36,11 @@ install:
 test_script:
   - yarn run clean
   - yarn run vscode:prepublish
-  - yarn run testDebugger --silent
-  - yarn run testSingleWorkspace --silent
-  - yarn run testMultiWorkspace --silent
+  - if [%DEBUGGER_TEST%]==[true] (
+      yarn run testDebugger --silent)
+  - if [%SINGLE_WORKSPACE_TEST%]==[true] (
+      yarn run testSingleWorkspace --silent)
+  - if [%MULTIROOT_WORKSPACE_TEST%]==[true] (
+      yarn run testMultiWorkspace --silent)
 
 build: off