Backing off using a useful time construct.

Because the time string is provided by the event publisher, we
can't have nice things. They can choose whatever format they want,
it may not even be valid.

sdk/eventgrid/cache_test.go

@@ -24,7 +24,7 @@ func ExampleCache() {
 	myCache.Clear()
 	fmt.Println(myCache.List())
 	// Output:
-	// [{   [] Microsoft.Storage.BlobCreated 0001-01-01 00:00:00 +0000 UTC  } {   [] Contoso.Buffalo.CacheProd 0001-01-01 00:00:00 +0000 UTC  }]
+	// [{   [] Microsoft.Storage.BlobCreated   } {   [] Contoso.Buffalo.CacheProd   }]
 	// []
 }
 

sdk/eventgrid/subscriber.go

@@ -4,7 +4,6 @@ import (
 	"encoding/json"
 	"errors"
 	"net/http"
-	"time"
 
 	"github.com/gobuffalo/buffalo"
 )
@@ -19,7 +18,7 @@ type Event struct {
 	Subject         string          `json:"subject"`
 	Data            json.RawMessage `json:"data"`
 	EventType       string          `json:"eventType"`
-	EventTime       time.Time       `json:"eventTime"`
+	EventTime       string          `json:"eventTime"`
 	MetadataVersion string          `json:"metadataVersion"`
 	DataVersion     string          `json:"dataVersion"`
 }