test: remove api that should not be used (#15678)

testutil/assert_helpers.go

@@ -1,25 +0,0 @@
-package testutil
-
-import "testing"
-
-func AssertPanics(t *testing.T, f func()) {
-	panicked := false
-	defer func() {
-		if r := recover(); r != nil {
-			panicked = true
-		}
-	}()
-	f()
-	if !panicked {
-		t.Errorf("should panic")
-	}
-}
-
-func AssertNotPanics(t *testing.T, f func()) {
-	defer func() {
-		if r := recover(); r != nil {
-			t.Errorf("should not panic: %v", r)
-		}
-	}()
-	f()
-}

testutil/compare.go

@@ -0,0 +1,16 @@
+package testutil
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+	"github.com/stretchr/testify/require"
+	"google.golang.org/protobuf/testing/protocmp"
+)
+
+// RequireProtoDeepEqual fails the test t if p1 and p2 are not equivalent protobuf messages.
+// Where p1 and p2 are proto.Message or slices of proto.Message.
+func RequireProtoDeepEqual(t *testing.T, p1, p2 interface{}) {
+	t.Helper()
+	require.Empty(t, cmp.Diff(p1, p2, protocmp.Transform()))
+}