Only run bootstrapped tests on windows

Author: liufengyun

.appveyor.yml

@@ -11,12 +11,12 @@ clone_script:
   - git submodule update --init --recursive --depth 50 --jobs 3
 build_script:
   - pwd
-  - bash project/scripts/sbt compile
+  # - bash project/scripts/sbt compile
   - bash project/scripts/sbt "dotty-bootstrapped/compile"
 test_script:
   - pwd
-  - bash project/scripts/sbt test
-  - bash project/scripts/cmdTests
+  # - bash project/scripts/sbt test
+  # - bash project/scripts/cmdTests
   - bash project/scripts/sbt "dotty-bootstrapped/test"
   - bash project/scripts/bootstrapCmdTests
 cache: