fix(puller/tests): wait for registry to be up before running tests

Signed-off-by: Aldo Lacuku <aldo@lacuku.eu>

pkg/oci/puller/puller_suite_test.go

@@ -18,9 +18,11 @@ package puller_test
 import (
 	"context"
 	"fmt"
+	"net/http"
 	"os"
 	"path/filepath"
 	"testing"
+	"time"
 
 	"github.com/distribution/distribution/v3/configuration"
 	_ "github.com/distribution/distribution/v3/registry/storage/driver/inmemory"
@@ -79,6 +81,14 @@ var _ = BeforeSuite(func() {
 		Expect(err).ToNot(BeNil())
 	}()
 
+	// Check that the registry is up and accepting connections.
+	Eventually(func(g Gomega) error {
+		res, err := http.Get(fmt.Sprintf("http://%s", config.HTTP.Addr))
+		g.Expect(err).ShouldNot(HaveOccurred())
+		g.Expect(res.StatusCode).Should(Equal(http.StatusOK))
+		return err
+	}).WithTimeout(time.Second * 5).ShouldNot(HaveOccurred())
+
 	// Create the temporary dir where artifacts are saved.
 	destinationDir, err = os.MkdirTemp("", "falcoctl-puller-tests-")
 	Expect(err).ShouldNot(HaveOccurred())