Correct checksum ids for fedora-update examples

One file was entirely missing the id string. The ids in the
other two were wrong because I got the checksums by piping an
echo command to sha256sum...but echo adds a newline at the end.
These are produced using printf instead, so should be correct.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

examples/fedora-update.test.complete.json

@@ -24,7 +24,7 @@
         },
         "type": "fedora-update",
         "alias": "FEDORA-2019-6bda4c81f4",
-        "id": "sha256:246fd185570f27560e2f5b06817c2774ee4982fa732d015e70f05bf503307284",
+        "id": "sha256:cf6f57a196a213606246070a99b94053160fee43c7987d071f422de30b2f2953",
         "builds": [
             {
                 "nvr": "kernel-5.2.7-100.fc29"

examples/fedora-update.test.error.json

@@ -23,7 +23,7 @@
         },
         "type": "fedora-update",
         "alias": "FEDORA-2019-e37c348348",
-        "id": "sha256:53abded84bf881f4f674e3abb9cc2401de129a19a7f67de3e193dc708e62394a",
+        "id": "sha256:c00600a09526d84dd3b3944ae996b285cab390fbe025b2b1503f6eb59f89063f",
         "builds": [
             {
                 "nvr": "kernel-5.2.7-200.fc30"

examples/fedora-update.test.queued.json

@@ -24,7 +24,7 @@
         },
         "type": "fedora-update",
         "alias": "FEDORA-2019-6bda4c81f4",
-        "id": "",
+        "id": "sha256:cf6f57a196a213606246070a99b94053160fee43c7987d071f422de30b2f2953",
         "builds": [
             {
                 "nvr": "kernel-5.2.7-100.fc29"