Resolve "Setup test proxy certificates and basic VOMS module testing"

First solution to issue #1 (closed) using the Openresty test-suite. Proposals for the simplest test cases.

t/certs/0.cert.pem

+-----BEGIN CERTIFICATE-----
+MIICkjCCAXygAwIBAgIEaPuJvzALBgkqhkiG9w0BAQUwKzELMAkGA1UEBhMCSVQx
+DDAKBgNVBAoTA0lHSTEOMAwGA1UEAxMFdGVzdDAwHhcNMTgwMzAyMTczNTU0WhcN
+MjIwOTI0MTUzOTM0WjBAMQswCQYDVQQGEwJJVDEMMAoGA1UEChMDSUdJMQ4wDAYD
+VQQDEwV0ZXN0MDETMBEGA1UEAxMKMTc2MTMxNTI2MzCBnzANBgkqhkiG9w0BAQEF
+AAOBjQAwgYkCgYEAgCtdYKINH/sClmYwxea8ydJbBTR7j8XdJmuZgA5c8YDLmN2E
+Fo50XHtQXbpmNGvuOXC6n4hY193oEcXL7N+CTjlHEmx5imaNzFvcfEdjxx0Cytqi
+xOt1tbhOvZUSMYqcIdJfPX21n7D1tObI3/+cZ16RHNWZF/wigdLoSr6qbZ0CAwEA
+AaMxMC8wDgYDVR0PAQH/BAQDAgXgMB0GCCsGAQUFBwEOAQH/BA4wDDAKBggrBgEF
+BQcVATALBgkqhkiG9w0BAQUDggEBACm+nPPqabJDsKb0BnihdPbIOls5Kla84nSo
+p5WlRGrGtnBmWkL7WeZc2CYXzrrd4EhAQtjwnw1eYZ3+uTBNXbsQNSTiGqhfXcdH
+p5O4AOUMdMda19kos67AIFCn5skWrKzn04TW8HEOYo6doJAkkAc7pFrQeXVU4IUM
+ZlS6gNuXqLISelHZV2WGeueZ9oe8SL08ZKZCNI09BScUaqiIuuVdZhH48uNBQKXs
+/KWjT8IBj4bTum+/nrSLGPRppSMC1bDfmn0C/ffk7g1Fo+ndyU9lB4ZF6eykGYe3
+V1LswGAb9BQvbm2qYdmS4F/i2qLxkRyaA1IB8aaCv4tWqKtMH00=
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----