binding tests for volumes

add binding tests for volumes: inspect(get), create, remove, prune, and list

implement filters ability for volumes

Signed-off-by: Brent Baude <bbaude@redhat.com>

pkg/api/server/swagger.go

@@ -1,6 +1,7 @@
 package server
 
 import (
+	"github.com/containers/libpod/libpod"
 	"github.com/containers/libpod/pkg/api/handlers"
 	"github.com/containers/libpod/pkg/api/handlers/utils"
 )
@@ -139,3 +140,19 @@ type ok struct {
 		ok string
 	}
 }
+
+// Volume create response
+// swagger:response VolumeCreateResponse
+type swagVolumeCreateResponse struct {
+	// in:body
+	Body struct {
+		libpod.VolumeConfig
+	}
+}
+
+// Volume list
+// swagger:response VolumeList
+type swagVolumeListResponse struct {
+	// in:body
+	Body []libpod.Volume
+}