core/redis: remove redis

internal/testutil/testutil.go

@@ -7,6 +7,7 @@ import (
 	"path/filepath"
 	"reflect"
 	"testing"
+	"time"
 
 	"github.com/google/go-cmp/cmp"
 	"github.com/stretchr/testify/assert"
@@ -15,6 +16,8 @@ import (
 	"google.golang.org/protobuf/testing/protocmp"
 )
 
+const maxWait = time.Minute * 10
+
 // AssertProtoEqual asserts that two protobuf messages equal. Slices of messages are also supported.
 func AssertProtoEqual(t *testing.T, expected, actual interface{}, msgAndArgs ...interface{}) bool {
 	t.Helper()
@@ -70,8 +73,3 @@ func ModRoot() string {
 	}
 	return ""
 }
-
-// TestDataRoot returns the testdata directory.
-func TestDataRoot() string {
-	return filepath.Join(ModRoot(), "internal", "testutil", "testdata")
-}