Update certificates to expire in 2029

Update certificates that expire on 2021, to prolong their validity,
to make tests pass three years ahead.
diff --git a/tests/data_files/cert_sha384.crt b/tests/data_files/cert_sha384.crt
index 73caac9..f8ec10b 100644
--- a/tests/data_files/cert_sha384.crt
+++ b/tests/data_files/cert_sha384.crt
@@ -1,77 +1,20 @@
-Certificate:
-    Data:
-        Version: 3 (0x2)
-        Serial Number: 10 (0xa)
-        Signature Algorithm: sha384WithRSAEncryption
-        Issuer: C=NL, O=PolarSSL, CN=PolarSSL Test CA
-        Validity
-            Not Before: Feb 12 14:44:07 2011 GMT
-            Not After : Feb 12 14:44:07 2021 GMT
-        Subject: C=NL, O=PolarSSL, CN=PolarSSL Cert SHA384
-        Subject Public Key Info:
-            Public Key Algorithm: rsaEncryption
-            RSA Public Key: (2048 bit)
-                Modulus (2048 bit):
-                    00:b9:3c:4a:c5:c8:a3:8e:90:17:a4:9e:52:aa:71:
-                    75:26:61:80:e7:c7:b5:6d:8c:ff:aa:b6:41:26:b7:
-                    be:11:ad:5c:73:16:0c:64:11:48:04:ff:d6:e1:3b:
-                    05:db:89:bb:b3:97:09:d5:1c:14:dd:68:87:39:b0:
-                    3d:71:cb:e2:76:d0:1a:d8:18:2d:80:1b:54:f6:e5:
-                    44:9a:f1:cb:af:61:2e:df:49:0d:9d:09:b7:ed:b1:
-                    fd:3c:fd:3c:fa:24:cf:5d:bf:7c:e4:53:e7:25:b5:
-                    ea:44:22:e9:26:d3:ea:20:94:9e:e6:61:67:ba:2e:
-                    07:67:0b:03:2f:a2:09:ed:f0:33:8f:0b:ce:10:ef:
-                    67:a4:c6:08:da:c1:ed:c2:3f:d7:4a:dd:15:3d:f9:
-                    5e:1c:81:60:46:3e:b5:b3:3d:2f:a6:de:47:1c:bc:
-                    92:ae:eb:df:27:6b:16:56:b7:dc:ec:d1:55:57:a5:
-                    6e:ec:75:25:f5:b7:7b:df:ab:d2:3a:5a:91:98:7d:
-                    97:17:0b:13:0a:a7:6b:4a:8b:c1:47:30:fb:3a:f8:
-                    41:04:d5:c1:df:b8:1d:bf:7b:01:a5:65:a2:e0:1e:
-                    36:b7:a6:5c:cc:30:5a:f8:cd:6f:cd:f1:19:62:25:
-                    ca:01:e3:35:7f:fa:20:f5:dc:fd:69:b2:6a:00:7d:
-                    17:f7
-                Exponent: 65537 (0x10001)
-        X509v3 extensions:
-            X509v3 Basic Constraints: 
-                CA:FALSE
-            X509v3 Subject Key Identifier: 
-                7D:E4:9C:6B:E6:F9:71:7D:46:D2:12:3D:AD:6B:1D:FD:C2:AA:78:4C
-            X509v3 Authority Key Identifier: 
-                keyid:B4:5A:E4:A5:B3:DE:D2:52:F6:B9:D5:A6:95:0F:EB:3E:BC:C7:FD:FF
-
-    Signature Algorithm: sha384WithRSAEncryption
-        68:e6:03:f0:ba:44:e7:cc:e1:b2:07:6c:56:c8:be:b7:ba:80:
-        61:c8:f9:66:57:e1:cb:60:7d:cd:8d:0f:66:b0:f2:61:45:fd:
-        fc:c8:93:95:bb:b4:14:00:76:c7:e1:57:a6:e2:60:31:8b:fc:
-        e1:0f:68:24:4c:bb:1d:c5:b6:77:ec:23:e1:5b:4f:10:6c:6a:
-        e0:6d:e7:34:f8:72:14:ae:16:57:25:8b:e8:b9:71:a1:d0:78:
-        ea:18:c1:51:c4:2e:26:6d:cb:80:8d:a5:b9:de:e7:37:c1:2b:
-        ec:e8:98:c6:f9:1a:bf:fe:a3:de:3d:d6:59:98:45:dc:4a:a6:
-        ad:0a:af:73:50:43:23:5a:9b:9a:f9:8f:ff:41:15:e5:9c:12:
-        9e:29:55:5c:79:9c:89:0c:c8:8a:82:86:b1:96:ae:7c:7d:4f:
-        0b:fd:e3:9e:8b:a5:4d:88:55:05:ad:6c:63:aa:74:0c:41:0d:
-        47:22:cc:1a:45:02:92:5e:d1:e0:b9:31:52:ff:f6:30:f0:87:
-        2c:dd:fa:fa:b9:cc:45:cb:36:33:5b:35:7f:5f:05:4f:e0:8f:
-        9a:e4:d2:fa:c9:d4:fc:62:99:ac:59:fb:fd:04:bc:5a:c0:47:
-        5e:5d:3d:df:31:8c:7f:dc:00:cb:cb:c0:f4:62:41:44:db:1d:
-        ba:c0:ad:8a
 -----BEGIN CERTIFICATE-----
 MIIDQjCCAiqgAwIBAgIBCjANBgkqhkiG9w0BAQwFADA7MQswCQYDVQQGEwJOTDER
-MA8GA1UEChMIUG9sYXJTU0wxGTAXBgNVBAMTEFBvbGFyU1NMIFRlc3QgQ0EwHhcN
-MTEwMjEyMTQ0NDA3WhcNMjEwMjEyMTQ0NDA3WjA/MQswCQYDVQQGEwJOTDERMA8G
-A1UEChMIUG9sYXJTU0wxHTAbBgNVBAMTFFBvbGFyU1NMIENlcnQgU0hBMzg0MIIB
-IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuTxKxcijjpAXpJ5SqnF1JmGA
-58e1bYz/qrZBJre+Ea1ccxYMZBFIBP/W4TsF24m7s5cJ1RwU3WiHObA9ccvidtAa
-2BgtgBtU9uVEmvHLr2Eu30kNnQm37bH9PP08+iTPXb985FPnJbXqRCLpJtPqIJSe
-5mFnui4HZwsDL6IJ7fAzjwvOEO9npMYI2sHtwj/XSt0VPfleHIFgRj61sz0vpt5H
-HLySruvfJ2sWVrfc7NFVV6Vu7HUl9bd736vSOlqRmH2XFwsTCqdrSovBRzD7OvhB
-BNXB37gdv3sBpWWi4B42t6ZczDBa+M1vzfEZYiXKAeM1f/og9dz9abJqAH0X9wID
-AQABo00wSzAJBgNVHRMEAjAAMB0GA1UdDgQWBBR95Jxr5vlxfUbSEj2tax39wqp4
-TDAfBgNVHSMEGDAWgBS0WuSls97SUva51aaVD+s+vMf9/zANBgkqhkiG9w0BAQwF
-AAOCAQEAaOYD8LpE58zhsgdsVsi+t7qAYcj5Zlfhy2B9zY0PZrDyYUX9/MiTlbu0
-FAB2x+FXpuJgMYv84Q9oJEy7HcW2d+wj4VtPEGxq4G3nNPhyFK4WVyWL6LlxodB4
-6hjBUcQuJm3LgI2lud7nN8Er7OiYxvkav/6j3j3WWZhF3EqmrQqvc1BDI1qbmvmP
-/0EV5ZwSnilVXHmciQzIioKGsZaufH1PC/3jnoulTYhVBa1sY6p0DEENRyLMGkUC
-kl7R4LkxUv/2MPCHLN36+rnMRcs2M1s1f18FT+CPmuTS+snU/GKZrFn7/QS8WsBH
-Xl093zGMf9wAy8vA9GJBRNsdusCtig==
+MA8GA1UECgwIUG9sYXJTU0wxGTAXBgNVBAMMEFBvbGFyU1NMIFRlc3QgQ0EwHhcN
+MTkwMjEwMTQ0NDA2WhcNMjkwMjEwMTQ0NDA2WjA/MQswCQYDVQQGEwJOTDERMA8G
+A1UECgwIUG9sYXJTU0wxHTAbBgNVBAMMFFBvbGFyU1NMIENlcnQgU0hBMzg0MIIB
+IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqQIfPUBq1VVTi/027oJlLhVh
+Xom/uOhFkNvuiBZS0/FDUEeWEllkh2v9K+BG+XO+3c+S4ZFb7Wagb4kpeUWA0INq
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+gSVfCrFTxjB+FTms+Vruf5KepgVb5xOXhbUjktnUJAbVCSWJdQfdphqPPwkZvq1l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 -----END CERTIFICATE-----