FILTERS/ Fix missing header guards

Signed-off-by: G4m4 <misept.dieseneuf@gmail.com>
FILTERS/ Move one more variable into the filters tests fixture

Part of #26.

Signed-off-by: G4m4 <misept.dieseneuf@gmail.com>
FILTERS/ Fix bad comment

Signed-off-by: G4m4 <misept.dieseneuf@gmail.com>
GENERATORS/ Move common generators tests variables into its fixture

Part of #26.

Signed-off-by: G4m4 <misept.dieseneuf@gmail.com>
GENERATORS/ Now using typed tests for generators too

Fixes #26.

Signed-off-by: G4m4 <misept.dieseneuf@gmail.com>
GENERATORS/ Rename common generators tests for better understanding.

Signed-off-by: G4m4 <misept.dieseneuf@gmail.com>
GENERATORS/ Remove useless handwritten tests files

Fixes #26 (again).

Signed-off-by: G4m4 <misept.dieseneuf@gmail.com>