Attempt running tests on Appveyor.

appveyor.yml

@@ -26,7 +26,7 @@ install:
   - cmd: call %CONDA_INSTALL_LOCN%\Scripts\activate.bat
   - cmd: conda config --set always_yes yes --set changeps1 no --set show_channel_urls true
   - cmd: conda update conda
-  - cmd: conda install hdf5=1.8.18 curl hdf4
+  - cmd: conda install hdf5=1.14.2 curl hdf4
 
 configuration: Release
 
@@ -39,6 +39,8 @@ build_script:
   - cmd: cmake .. -G "%CMAKE_GENERATOR%" -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=%INSTALL_LOC% -DENABLE_BASH_SCRIPT_TESTING=OFF -DENABLE_FILTER_TESTING=OFF -DENABLE_BYTERANGE=ON
   - cmd: if errorlevel 1 exit 1
   - cmd: cmake --build . --config Release -- /maxcpucount:4
+
 
 test_script:
   - cmd: cmake --build . --config Release --target install -- /maxcpucount:4
+  - cmd: ctest . -j 4