Test importing an EC key for ECDSA.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
Importing a public key...
Importing a private key...
Signing some text...
Verifying the signature...
PASS verificationResult is true
Verifying a bad signature...
PASS verificationResult is false
PASS successfullyParsed is true
TEST COMPLETE