Add an untrusted cacert used when testing

mysql-test/std_data/untrusted-cacert.pem

+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number: 0 (0x0)
+        Signature Algorithm: md5WithRSAEncryption
+        Issuer: C=US, ST=Oregon, L=Portland, O=sawtooth, CN=www.sawtooth-consulting.com/emailAddress=info@yassl.com
+        Validity
+            Not Before: Jan 18 20:12:32 2005 GMT
+            Not After : Oct 15 20:12:32 2007 GMT
+        Subject: C=US, ST=Oregon, L=Portland, O=sawtooth, CN=www.sawtooth-consulting.com/emailAddress=info@yassl.com
+        Subject Public Key Info:
+            Public Key Algorithm: rsaEncryption
+            RSA Public Key: (512 bit)
+                Modulus (512 bit):
+                    00:cf:2b:14:00:b0:3c:df:6f:9e:91:40:ec:c8:f6:
+                    90:b2:5b:b4:70:80:a5:a4:0a:73:c7:44:f3:2a:26:
+                    c4:2f:f1:3a:f1:c3:c4:ac:fc:c3:d2:c3:bf:f5:d7:
+                    6a:38:42:ad:22:ab:c8:c4:4b:4c:1d:16:af:05:34:
+                    7d:79:97:5e:e1
+                Exponent: 65537 (0x10001)
+        X509v3 extensions:
+            X509v3 Subject Key Identifier: 
+                CB:0F:1F:E9:A2:76:71:C9:E6:E8:23:A6:C1:18:B7:CC:44:CF:B9:84
+            X509v3 Authority Key Identifier: 
+                keyid:CB:0F:1F:E9:A2:76:71:C9:E6:E8:23:A6:C1:18:B7:CC:44:CF:B9:84
+                DirName:/C=US/ST=Oregon/L=Portland/O=sawtooth/CN=www.sawtooth-consulting.com/emailAddress=info@yassl.com
+                serial:00
+
+            X509v3 Basic Constraints: 
+                CA:TRUE
+    Signature Algorithm: md5WithRSAEncryption
+        27:f7:3d:fb:39:6f:73:a4:86:f3:a0:48:22:60:84:e9:5c:3d:
+        28:36:05:16:44:98:07:87:e1:5d:b5:f3:a7:bc:33:5f:f4:29:
+        a9:5f:87:33:df:e6:8e:bd:e2:f3:0a:c8:00:69:ae:3d:41:47:
+        03:ea:0b:4c:67:45:4b:ab:f3:39
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----