unit tests: client-ca-crt.pem expired on Jul 19 #1565

 openssl x509 -in test/fixtures/client-ca-crt.pem -text -noout                          
Certificate:
    Data:
        Version: 1 (0x0)
        Serial Number: 16680812356204171144 (0xe77e2675907f0f88)
    Signature Algorithm: sha256WithRSAEncryption
        Issuer: CN=undici
        Validity
            Not Before: Jul 19 04:43:37 2021 GMT
            Not After : Jul 19 04:43:37 2022 GMT
        Subject: CN=undici
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (2048 bit)
                Modulus:
                    00:d5:6a:ea:01:65:84:5a:67:5f:29:5b:ec:a8:b2:
                    00:02:34:dc:ba:84:cf:a0:3c:f2:ec:88:aa:66:2e:
                    c6:0a:e1:4b:10:bf:1b:ba:41:be:9b:c3:03:75:bd:
                    a0:aa:4f:8f:3b:fe:86:1e:83:99:71:29:b4:4a:10:
                    db:d4:0e:c6:c7:63:bc:b4:75:38:28:c3:33:6f:f3:
                    3c:5a:4b:0e:57:70:de:7d:d6:6c:6c:c9:89:9f:2c:
                    96:f2:a2:a9:c3:03:97:7e:89:eb:4c:3a:78:c4:dd:
                    71:4e:26:2e:44:f7:53:bf:a2:0b:d7:f4:3a:51:62:
                    49:12:0f:a3:a9:76:19:66:f4:57:16:18:cd:ef:92:
                    f6:d0:85:40:7c:50:c7:f8:b6:c4:23:cc:8e:b1:7b:
                    8a:9f:5e:a1:d9:3e:51:9f:ec:5a:44:cf:a1:a4:93:
                    ac:5e:8d:45:dd:d6:8f:39:2c:10:e8:d0:aa:17:02:
                    c9:c0:8e:69:8a:c0:ae:a3:fc:98:b8:ec:36:02:ae:
                    57:e1:83:7e:e0:00:b0:c2:74:84:a3:92:09:e2:b1:
                    0a:aa:31:11:a4:7f:06:0f:3b:d9:50:7d:be:3b:2a:
                    1d:1f:8e:b2:87:ac:e4:2d:e3:00:0f:c1:ee:a2:95:
                    4f:6d:f4:db:4f:f4:59:84:cc:83:bc:f7:8a:8b:71:
                    b5:df
                Exponent: 65537 (0x10001)
    Signature Algorithm: sha256WithRSAEncryption
         9c:c3:b8:a6:2a:1e:15:96:dc:36:d2:e8:57:c7:af:53:da:7b:
         46:67:00:04:38:40:6e:c0:b4:30:6b:dc:1f:7e:8a:6e:fb:94:
         d9:d4:3f:bf:0c:4e:c0:dd:bf:d2:60:5c:86:86:c0:d5:28:94:
         b2:63:ff:b1:e0:ad:31:6f:92:8b:5c:0e:8b:a6:a9:55:41:71:
         fc:b3:fb:6d:a4:b7:28:f2:4f:83:a0:a2:1e:54:d7:76:2a:ff:
         3b:76:a2:31:4c:e1:20:4a:3c:18:e1:07:14:55:86:2b:75:9c:
         82:b9:22:a9:2f:72:2d:b4:55:a3:9e:f6:68:c8:6e:37:97:18:
         c6:3e:d1:27:cd:11:50:3b:67:45:f8:32:50:f4:2a:00:fb:31:
         aa:a0:10:8f:42:4e:a8:09:87:0d:08:4b:60:67:9b:1d:82:8f:
         65:44:65:d4:88:8a:2d:c3:bb:1d:84:97:c5:33:20:f4:21:b0:
         77:44:d3:43:21:85:27:60:e1:c8:a9:da:cf:dc:dc:11:9c:4e:
         14:5d:c7:ba:16:54:cf:92:db:76:c5:5d:0c:cf:ea:88:90:60:
         a5:7c:8a:3b:35:7c:1d:af:66:c4:c2:57:bc:eb:40:e0:cf:3d:
         27:93:b0:b1:9d:f1:e2:86:35:0a:ce:88:f9:d8:b7:88:7f:43:
         bc:e5:47:be