moving Phi tests out of test/agrad/special_functions
moving Phi tests out of test/agrad/special_functions
moving Phi_approx tests out of test/agrad/special_functions
moving acosh tests out of test/agrad/special_functions
moving as_bool tests out of test/agrad/special_functions
moving asinh tests out of test/agrad/special_functions
moving atanh tests out of test/agrad/special_functions
moving calculate_chain tests out of test/agrad/special_functions
moving cbrt tests out of test/agrad/special_functions
moving cbrt tests out of test/agrad/special_functions
moving erf tests out of test/agrad/special_functions
moving erfc tests out of test/agrad/special_functions
moving exp2 tests out of test/agrad/special_functions
moving expm1 tests out of test/agrad/special_functions
moving fdim tests out of test/agrad/special_functions
moving fma tests out of test/agrad/special_functions
moving fmax tests out of test/agrad/special_functions
moving fmin tests out of test/agrad/special_functions
moving hypot tests out of test/agrad/special_functions
moving ibeta tests out of test/agrad/special_functions