Changed test date of import parser.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Changed prevToken to preToken.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>
Did refactoring of parser import decl.

Signed-off-by: Kouhei Maeda <mkouhei@palmtb.net>