move test into unit-test-libsinsp

[bryanseay]

bryan@bryan-server:/draios/sysdig/build$ make run-unit-test-libsinsp
[  4%] Built target zlib
[ 13%] Built target scap
[ 17%] Built target luajit
[ 22%] Built target tbb
[ 26%] Built target openssl
[ 30%] Built target curl
[ 35%] Built target protobuf
[ 40%] Built target c-ares
[ 45%] Built target grpc
[ 96%] Built target sinsp
[ 97%] Built target gtest
[ 98%] Built target gtest_main
[100%] Built target unit-test-libsinsp
Running main() from /draios/sysdig/build/googletest-src/googletest/src/gtest_main.cc
[==========] Running 6 tests from 1 test suite.
[----------] Global test environment set-up.
[----------] 6 tests from cgroup_list_counter_test
[ RUN      ] cgroup_list_counter_test.basic
[       OK ] cgroup_list_counter_test.basic (0 ms)
[ RUN      ] cgroup_list_counter_test.invalid_value
[       OK ] cgroup_list_counter_test.invalid_value (0 ms)
[ RUN      ] cgroup_list_counter_test.invalid_range_missing_number
[       OK ] cgroup_list_counter_test.invalid_range_missing_number (1 ms)
[ RUN      ] cgroup_list_counter_test.invalid_range_double_dash
[       OK ] cgroup_list_counter_test.invalid_range_double_dash (0 ms)
[ RUN      ] cgroup_list_counter_test.invalid_range_wrong_order
[       OK ] cgroup_list_counter_test.invalid_range_wrong_order (0 ms)
[ RUN      ] cgroup_list_counter_test.not_a_number
[       OK ] cgroup_list_counter_test.not_a_number (0 ms)
[----------] 6 tests from cgroup_list_counter_test (2 ms total)

[----------] Global test environment tear-down
[==========] 6 tests from 1 test suite ran. (2 ms total)
[  PASSED  ] 6 tests.
[100%] Built target run-unit-test-libsinsp