fix testcase for duk_is_xxx() calls
fix testcase for duk_is_xxx() calls

sloth4413/duktape,harold-b/duktape,pombredanne/duktape,haosu1987/duktape,reqshark/duktape,zeropool/duktape,chenyaqiuqiu/duktape,reqshark/duktape,svaarala/duktape,jmptrader/duktape,markand/duktape,markand/duktape,zeropool/duktape,thurday/duktape,zeropool/duktape,tassmjau/duktape,skomski/duktape,chenyaqiuqiu/duktape,sloth4413/duktape,pombredanne/duktape,kphillisjr/duktape,svaarala/duktape,reqshark/duktape,kphillisjr/duktape,haosu1987/duktape,kphillisjr/duktape,thurday/duktape,sloth4413/duktape,harold-b/duktape,rwaldron/duktape,zeropool/duktape,nivertech/duktape,zeropool/duktape,thurday/duktape,reqshark/duktape,chenyaqiuqiu/duktape,sloth4413/duktape,chenyaqiuqiu/duktape,daimajia/duktape,nivertech/duktape,eddieh/duktape,jmptrader/duktape,nivertech/duktape,rwaldron/duktape,kphillisjr/duktape,reqshark/duktape,eddieh/duktape,rwaldron/duktape,markand/duktape,eddieh/duktape,pombredanne/duktape,skomski/duktape,skomski/duktape,svaarala/duktape,harold-b/duktape,reqshark/duktape,harold-b/duktape,zeropool/duktape,skomski/duktape,reqshark/duktape,thurday/duktape,kphillisjr/duktape,daimajia/duktape,harold-b/duktape,reqshark/duktape,harold-b/duktape,pombredanne/duktape,rwaldron/duktape,eddieh/duktape,thurday/duktape,kphillisjr/duktape,svaarala/duktape,thurday/duktape,nivertech/duktape,sloth4413/duktape,jmptrader/duktape,chenyaqiuqiu/duktape,markand/duktape,daimajia/duktape,kphillisjr/duktape,zeropool/duktape,eddieh/duktape,pombredanne/duktape,svaarala/duktape,eddieh/duktape,sloth4413/duktape,reqshark/duktape,skomski/duktape,markand/duktape,zeropool/duktape,tassmjau/duktape,kphillisjr/duktape,jmptrader/duktape,nivertech/duktape,markand/duktape,harold-b/duktape,haosu1987/duktape,reqshark/duktape,pombredanne/duktape,markand/duktape,tassmjau/duktape,kphillisjr/duktape,daimajia/duktape,jmptrader/duktape,nivertech/duktape,tassmjau/duktape,jmptrader/duktape,zeropool/duktape,chenyaqiuqiu/duktape,kphillisjr/duktape,nivertech/duktape,jmptrader/duktape,haosu1987/duktape,thurday/duktape,harold-b/duktape,jmptrader/duktape,eddieh/duktape,tassmjau/duktape,svaarala/duktape,chenyaqiuqiu/duktape,haosu1987/duktape,svaarala/duktape,skomski/duktape,pombredanne/duktape,skomski/duktape,thurday/duktape,sloth4413/duktape,pombredanne/duktape,tassmjau/duktape,sloth4413/duktape,svaarala/duktape,daimajia/duktape,haosu1987/duktape,tassmjau/duktape,skomski/duktape,haosu1987/duktape,markand/duktape,sloth4413/duktape,tassmjau/duktape,markand/duktape,haosu1987/duktape,jmptrader/duktape,pombredanne/duktape,sloth4413/duktape,harold-b/duktape,chenyaqiuqiu/duktape,zeropool/duktape,tassmjau/duktape,skomski/duktape,markand/duktape,thurday/duktape,haosu1987/duktape,svaarala/duktape,chenyaqiuqiu/duktape,eddieh/duktape,eddieh/duktape,rwaldron/duktape,nivertech/duktape,chenyaqiuqiu/duktape,jmptrader/duktape,eddieh/duktape,nivertech/duktape,thurday/duktape,harold-b/duktape,tassmjau/duktape,pombredanne/duktape,nivertech/duktape,haosu1987/duktape,rwaldron/duktape,skomski/duktape,daimajia/duktape