Yes, I did. :-( Adding a new line didn't made any difference except that the line number in the error message was increased by one.
Here is how ssltestcert.pem looks like:
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
And this is the ssltestkey.pem: -----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
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