adding util functions
test: adding EXPECT_THROW_MSG macro
Merge branch 'develop' into feature/issue-1066-check_nonzero_size-message
test: fixing EXPECT_THROW_MSG macro
test: added a util and added EXPECT_THROW_MSG macro
fixes #1066. addresses incorrect message for check_nonzero_size
added additional doc; changed message to be clearer
Merge branch 'feature/issue-1066-check_nonzero_size-message' into feature/issue-771-ode-solver
ode: testing error conditions