Update to gtest 1.8.0.

3 jobs for develop in 11 seconds (queued for 2 seconds)
Name Stage Failure
failed
tests Test There is an unknown failure, please try again

CMake Error at tests/lib/gtest-1.8.0/googletest/CMakeLists.txt:62 (config_compiler_and_linker):
Unknown CMake command "config_compiler_and_linker".


-- Configuring incomplete, errors occurred!
See also "/home/gitlab-runner/builds/bc674fa2/4/LARN/PRRT/CMakeFiles/CMakeOutput.log".
See also "/home/gitlab-runner/builds/bc674fa2/4/LARN/PRRT/CMakeFiles/CMakeError.log".
ERROR: Build failed: exit status 1
failed
pythonbindings Test There is an unknown failure, please try again

CMake Error at tests/lib/gtest-1.8.0/googletest/CMakeLists.txt:62 (config_compiler_and_linker):
Unknown CMake command "config_compiler_and_linker".


-- Configuring incomplete, errors occurred!
See also "/home/gitlab-runner/builds/bc674fa2/4/LARN/PRRT/CMakeFiles/CMakeOutput.log".
See also "/home/gitlab-runner/builds/bc674fa2/4/LARN/PRRT/CMakeFiles/CMakeError.log".
ERROR: Build failed: exit status 1
failed
memcheck Test There is an unknown failure, please try again

CMake Error at tests/lib/gtest-1.8.0/googletest/CMakeLists.txt:62 (config_compiler_and_linker):
Unknown CMake command "config_compiler_and_linker".


-- Configuring incomplete, errors occurred!
See also "/home/gitlab-runner/builds/bc674fa2/4/LARN/PRRT/CMakeFiles/CMakeOutput.log".
See also "/home/gitlab-runner/builds/bc674fa2/4/LARN/PRRT/CMakeFiles/CMakeError.log".
ERROR: Build failed: exit status 1