Merge pull request #11 from LucasPadovan/mixing

Ajax + Unit test
Arreglos en Test unitarios =)

All pass ^^
Solo eran unas lineas ^^
Merge branch 'mixing-lucas' of github.com:FRM-UTN/firehouse into mixing
Merge branch 'fix-test-for-lucas' of github.com:FRM-UTN/firehouse into mixing
test intervention_types