Fix test running.

Author: kovacsv

appveyor.yml

@@ -22,6 +22,7 @@ before_build:
   - mkdir Build
   - cd Build
   - cmake %cMakeParams% ..
+  - cd ..
 
 build:
   project: c:\projects\VisualScriptEngine\Build\VisualScriptEngine.sln
@@ -31,11 +32,12 @@ after_build:
   - set vsVersion=
   - if "%APPVEYOR_BUILD_WORKER_IMAGE%" == "Visual Studio 2017" ( set vsVersion=2017 )
   - if "%APPVEYOR_BUILD_WORKER_IMAGE%" == "Visual Studio 2019" ( set vsVersion=2019 )
-  - cd ..
   - python CreatePackage.py %vsVersion% "MSBuild" %configuration%
 
 test_script:
+  - cd Build
   - ctest --verbose --build-config %configuration%
+  - cd ..
 
 artifacts:
   - path: Build\Package\*