Collocations for testament - noun

fitting (esp. BrE), good, great, true
powerful, remarkable
living
Adams is a living testament to the power of following one's dreams.

sad
The decline of the port is sad testament to the state of the shipping industry.

mute, visible
The crumbling ruins bear mute testament to the ravages of war.

be, bear (esp. BrE)
That so many people came is (a) testament to her powers of persuasion.
The immaculate state of the garden bears testament to a lifetime's effort.

testament to
The monument is a worthy testament to the courage of the men who fought in the war.