Running Tests on AppVeyor CI

[UnaNancyOwen]

We implemented build test on Windows CI.
Next, We should consider running tests on Windows CI.

I implemented google test to vcpkg.
I confirmed that it can be used in PCL on my local environments.

  install:
-   - vcpkg install boost eigen3 flann qhull --triplet %PLATFORM%-windows
+   - vcpkg install boost eigen3 flann qhull gtest --triplet %PLATFORM%-windows

  build_script:
    - cd %APPVEYOR_BUILD_FOLDER%
    - mkdir build
    - cd build
    - cmake -G"%GENERATOR%"
            -DCMAKE_TOOLCHAIN_FILE=%VCPKG_DIR%\scripts\buildsystems\vcpkg.cmake
            -DPCL_BUILD_WITH_BOOST_DYNAMIC_LINKING_WIN32=ON
            -DPCL_BUILD_WITH_FLANN_DYNAMIC_LINKING_WIN32=ON
-           -DPCL_NO_PRECOMPILE=ON
+           -DPCL_NO_PRECOMPILE=OFF
            -DBUILD_simulation=ON
-           -DBUILD_global_tests=OFF
+           -DBUILD_global_tests=ON
            -DBUILD_examples=OFF
            -DBUILD_tools=OFF
            -DBUILD_apps=OFF
            ..
    - cmake --build . --config %CONFIGURATION%
+   - ctest -C %CONFIGURATION% -V

Probably, I think it have probrem that long build time will be time-out on AppVeyor.
Therefore, I propose to turn off PCL_NO_PRECOMPILE.
The build time is as follows on my local environments.

PCL_NO_PRECOMPILE	Build Time
ON	1hour 30min over
OFF	30min

If this is not desirable, We should consider splitting jobs like Travis.

BTW:
However, the some tests fails on Windows.
It is known issues. (#1719)

93% tests passed, 7 tests failed out of 103

Total Test time (real) = 152.72 sec

The following tests FAILED:
	 13 - common_eigen (Failed)
	 23 - feature_rift_estimation (Failed)
	 25 - feature_cppf_estimation (Failed)
	 27 - feature_pfh_estimation (Failed)
	 50 - filters_sampling (Failed)
	 68 - io_grabbers (Failed)
	 80 - registration_api (Failed)

[SergioRAgostinho]

Super thanks for extending this.

PCL_NO_PRECOMPILE	Build Time
ON	1hour 30min over
OFF	30min

I confess this is somewhat a surprising result, since in theory it should only compile the types which are instantiated. But I set it to ON before exactly to reduce build times. If you verify that this better to use the precompile mechanism let's go with it of course. It mgiht be worth to also set PCL_ONLY_CORE_TYPES=ON let's go with that.

If this is not desirable, We should consider splitting jobs like Travis.

I didn't do it on the first iteration because it require some windows bash scripting and I'm lacking a dev environment to test it.

However, the some tests fails on Windows.
It is known issues. (#1719)

We would need to disable them in an initial stage, but we can do that as well.