Tests

Merge pull request #197 from LLFourn/add_share_image #834

Job	Run time
doc-build	28s
clippy_check	1m 1s
build	2m 0s
Rustfmt	13s
test (x86_64-unknown-linux-gnu)	3m 51s
test-alloc (secp256kfun)	1m 2s
test (armv7-unknown-linux-gnueabihf)	6m 51s
test-nightly	1m 34s
test-minimal (secp256kfun)	1m 3s
test-alloc (sigma_fun)	2m 50s
test-minimal (sigma_fun)	2m 38s
test-alloc (ecdsa_fun)	42s
test-minimal (ecdsa_fun)	40s
test-alloc (schnorr_fun)	1m 3s
test-minimal (schnorr_fun)	49s
	26m 45s

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