added three test cases for backward coordinates transformations (ecliptic/horizontal/galactic => equatorial)
added three test cases for backward coordinates transformations (ecliptic/horizontal/galactic => equatorial)

onekiloparsec/SwiftAA,alex-vasenin/SwiftAA,onekiloparsec/SwiftAA,alex-vasenin/SwiftAA,onekiloparsec/SwiftAA,alex-vasenin/SwiftAA,alex-vasenin/SwiftAA,alex-vasenin/SwiftAA,onekiloparsec/SwiftAA,onekiloparsec/SwiftAA