Fixed warnings in unit tests due to unused variables

Status Job ID Name Coverage
  Test
passed #35
clang-c++11

00:11:25

failed #37
clang-c++98

00:00:00

failed #34
gcc-c++11

00:00:00

passed #36
gcc-c++98

00:14:45

 
Name Stage Failure
failed
clang-c++98 Test There is an unknown failure, please try again
Ran 0 tests in 0.000s

OK
CI/ci-linux.sh: line 71: cmake: command not found
make: *** No rule to make target `unittests'. Stop.
CI/ci-linux.sh: line 81: cd: Unittests: No such file or directory
CI/ci-linux.sh: line 84: ./unittests: No such file or directory

ERROR: Build failed with: exit status 1
failed
gcc-c++11 Test There is an unknown failure, please try again
Ran 0 tests in 0.000s

OK
CI/ci-linux.sh: line 71: cmake: command not found
make: *** No rule to make target `unittests'. Stop.
CI/ci-linux.sh: line 81: cd: Unittests: No such file or directory
CI/ci-linux.sh: line 84: ./unittests: No such file or directory

ERROR: Build failed with: exit status 1