Add test for removing primary language
Add test for removing primary language

ewheeler/rapidpro,ewheeler/rapidpro,ewheeler/rapidpro,harrissoerja/rapidpro,tsotetsi/textily-web,praekelt/rapidpro,pulilab/rapidpro,harrissoerja/rapidpro,reyrodrigues/EU-SMS,pulilab/rapidpro,reyrodrigues/EU-SMS,Thapelo-Tsotetsi/rapidpro,ewheeler/rapidpro,praekelt/rapidpro,harrissoerja/rapidpro,praekelt/rapidpro,pulilab/rapidpro,praekelt/rapidpro,Thapelo-Tsotetsi/rapidpro,tsotetsi/textily-web,Thapelo-Tsotetsi/rapidpro,pulilab/rapidpro,tsotetsi/textily-web,tsotetsi/textily-web,reyrodrigues/EU-SMS,pulilab/rapidpro,tsotetsi/textily-web