Testor was established at the beginning of 1990s. The most important events in the history of the band include: Recording a debut cassette 'Through The Back Door' in 1991, performances in festivals in Jarocin in 1993 and 1994, recording a video clip to the song: "Jak Kamienie" for the programme LUZ and taking the first place in the plebiscite for the best video clip, the audience prize in the Review of Rock Bands in Belchatów in 1994, 1st prize in the contest during the festival in Wegorzewo in 1995, a concert tour in Poland Prince Rock Tour with Vader, Sweet Noise and Proletaryat in 1995, recording a debut CD entitled 'Ruiny' in the studio of Winicjusz Chrost in 1996, recording the second clip to the song "Mr. Hyde" and the third video clip to "Henio", performances in Przystanek Woodstock in Zary in 1998 and 1999, recording the second CD entitled '50%' in 2001, recording the fourth video clip to the song "Smooth Criminal" in 2003, recording a single 'Pillar' in 2005, performance in Hunter Fest 2006 in Szczytno with Fear Factory, Amorphis, Sick Of It All, Decapitated and many more, recording the third CD entitled 'Next Stop Insanity' in 2007, recording the fifth video clip to the song "Shot In The Back" in 2009, recording the fourth CD entitled 'Animal Killstinct' in 2010.

During all these years the band has been playing on many stages across Poland together with th most known Polish metalbands: Behemoth, Vader, Acid Drinkers, Kat, Virgin Snatch, Frontside, Horrorscope, Made Of Hate, Blindead and many more.
Moreover the band has been playing a few concerts supporting big metal stars like Fear Factory, Amorphis, Sick Of It All, Artillery.

With 'Animal Killstinct', the fourth album already, Testor signed with Killer Metal Records from Germany. 'Animal Killstinct' is a first class testimony of polish art of thrash which does not have to fear any internationally comparison. With 'Animal Killstinct' the band wants to gain new fans in the whole wide world.

Source: Facebook