splitting test/agrad/agrad
adding the right test header
splitting var tests out of test/agrad/agrad_test.cpp
splitting var tests out of test/agrad/agrad_test.cpp
splitting operator< tests out of test/agrad/agrad_test.cpp
splitting operator> tests out of test/agrad/agrad_test.cpp
splitting operator<= tests out of test/agrad/agrad_test.cpp
splitting operator>= tests out of test/agrad/agrad_test.cpp
splitting operator= tests out of test/agrad/agrad_test.cpp
splitting operator!= tests out of test/agrad/agrad_test.cpp
splitting operator+ tests out of test/agrad/agrad_test.cpp
splitting operator- tests out of test/agrad/agrad_test.cpp
splitting operator+ tests out of test/agrad/agrad_test.cpp
splitting operator+ tests out of test/agrad/agrad_test.cpp
splitting operator- tests out of test/agrad/agrad_test.cpp
splitting operator* tests out of test/agrad/agrad_test.cpp
splitting operator/ tests out of test/agrad/agrad_test.cpp
splitting operator++ tests out of test/agrad/agrad_test.cpp
splitting operator-- tests out of test/agrad/agrad_test.cpp
splitting operator+= tests out of test/agrad/agrad_test.cpp