Update copy blueprint tests

tests/test_blueprint_copy.py

@@ -6,6 +6,8 @@ from sanic.response import text
 
 def test_bp_copy(app: Sanic):
     bp1 = Blueprint("test_bp1", version=1)
+    bp1.ctx.test = 1
+    assert hasattr(bp1.ctx, "test")
 
     @bp1.route("/page")
     def handle_request(request):
@@ -13,15 +15,26 @@ def test_bp_copy(app: Sanic):
 
     bp2 = bp1.copy(name="test_bp2", version=2)
     assert id(bp1) != id(bp2)
+    assert bp1._apps == bp2._apps == set()
+    assert not hasattr(bp2.ctx, "test")
 
     app.blueprint(bp1)
     app.blueprint(bp2)
+
     bp3 = bp1.copy(name="test_bp3", version=3, with_registration=True)
+    assert id(bp1) != id(bp3)
+    assert bp1._apps == bp3._apps and bp3._apps
+    assert not hasattr(bp3.ctx, "test")
+
     bp4 = bp1.copy(name="test_bp4", version=4, with_ctx=True)
+    assert id(bp1) != id(bp4)
+    assert bp4.ctx.test == 1
+
     bp5 = bp1.copy(name="test_bp5", version=5, with_registration=False)
-    assert id(bp2) != id(bp3)
-    assert id(bp3) != id(bp4)
-    assert id(bp4) != id(bp5)
+    assert id(bp1) != id(bp5)
+    assert not bp5._apps
+    assert bp1._apps != set()
+
     app.blueprint(bp5)
 
     _, response = app.test_client.get("/v1/page")