Hi there!
It looks like you all are crazy for nonces and signatures, so I have some special values for you

r=0x678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb6
s=0x24c8a42e8fe11d670633fa66ebedb1672c71a517a30cbbaa9e14f2d5a15a3783
z=SHA256('This is test 1.')
PubKey=0x3e42b3151f310f5f417f11b4c32d8360b22109dcc6432339243332b56cd596de, 0x7903116327cab6891b810588e4c909273c7eb013aea2162fa63afa1f11562b3a
r=0x678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb6
s=0x768a0e3b0cfb3c8d9b7899f59f480555176ef25eefa1e96d3ac575ba4ffe85fd
z=SHA256('This is test 2.')
PubKey=0xc79fa242694e3148c8d50e667010e0c221f6004d108692c5040ff139595ed081, 0x525bd76c21c8e2d45725a378c973a646d5971acd8f240322e5f1fdf0ed4f8589
r=0x678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb6
s=0xd17c5ed9fb37692cd152f381c4a3f16a896f96d26100310fe818d6963c402b25
z=SHA256('This is test 3.')
PubKey=0xc03657988e2baf31a1a1061a87fa3da20f166dc8a22c02658f6d325dec722d84, 0x97ffbac6bec2de2b8d9f9bcaeced8e56abdd0b3996b48153cf0a1a92dc2d5529
Btw. I think that those who do serious research of this topic do not need your script, but all contributions are welcome, of course.
You are right JohnnyTX, almost anybody can do this

r=0x678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb6
s=0x96b538e853519c726a2c91e61ec11600ae1390813a627c66fb8be7947be63c52
z=SHA256('This is test 4.')
PubKey=0x99c2b48be2177dfd0dcb1528f79393d1915eeca8697f85e02983e0c4c2de3475, 0x8cb2c8d83e8950523a7dab78a515fa19f2bb50a4b15bcd45a11110db445fe382
r=0x678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb6
s=0x7211a824f55b505228e4c3d5194c1fcfaa15a456abdf37f9b9d97a4040afc073
z=SHA256('This is test 5.')
PubKey=0x2dc8f0256a8c55cf1ff41f92ed11f801e09c024923c89a590137b2642896ecf0, 0xb74fc19c671261dcd13edf02c59cab6aad5c7b99ea9b76f2622b19b89c639135
r=0x678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb6
s=0x94b9d3e76c5b1629ecf97fff95d7a4bbdac87cc26099ada28066c6ff1eb91912
z=SHA256('This is test 6.')
PubKey=0xa73857b1dd23a714a3f78ab0cbc791f58524485bbb498640871eb21469cd55ee, 0x6606c989519b2b72999a0c5bfd5dd8d01ba4bfc78fb208c2264e6a18f89cb68b
Opinions are welcome!