add view pattern test

bytes/view_pattern_test.mbt

@@ -0,0 +1,24 @@
+// Copyright 2025 International Digital Economy Academy
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+
+test "View::pattern" {
+  let view = b"\x01\x02\x03"[:]
+  match view {
+    [0x01, 0x02, ..rest] => {
+      inspect!(rest, content="b\"\\x03\"")
+    }
+    _ => abort("should not happen")
+  }
+}