diff --git a/tests/test_particleContainer.py b/tests/test_particleContainer.py
index 9f1897e4..74c7cb21 100644
--- a/tests/test_particleContainer.py
+++ b/tests/test_particleContainer.py
@@ -40,6 +40,25 @@ def particle_container(Npart, std_geometry, distmap, boxarr, std_real_box):
 
     iseed = 1
     pc.InitRandom(Npart, iseed, myt, False, std_real_box)
+
+    # add runtime components: 1 real 2 int
+    pc.add_real_comp(True)
+    pc.add_int_comp(True)
+    pc.add_int_comp(True)
+
+    #   can be removed after
+    #     https://github.com/AMReX-Codes/amrex/pull/3615
+    pc.resize_runtime_real_comp(1, True)
+    pc.resize_runtime_int_comp(2, True)
+
+    # assign some values to runtime components
+    for lvl in range(pc.finest_level + 1):
+        for pti in pc.iterator(pc, level=lvl):
+            soa = pti.soa()
+            soa.GetRealData(2).assign(1.2345)
+            soa.GetIntData(1).assign(42)
+            soa.GetIntData(2).assign(33)
+
     return pc
 
 
@@ -129,7 +148,7 @@ def test_pc_init():
     # lvl = 0
     for lvl in range(pc.finest_level + 1):
         print(f"at level {lvl}:")
-        for pti in amr.ParIter_1_1_2_1_default(pc, level=lvl):
+        for pti in pc.iterator(pc, level=lvl):
             print("...")
             assert pti.num_particles == 1
             assert pti.num_real_particles == 1
@@ -158,7 +177,7 @@ def test_pc_init():
 
     # read-only
     for lvl in range(pc.finest_level + 1):
-        for pti in amr.ParConstIter_1_1_2_1_default(pc, level=lvl):
+        for pti in pc.const_iterator(pc, level=lvl):
             assert pti.num_particles == 1
             assert pti.num_real_particles == 1
             assert pti.num_neighbor_particles == 0
@@ -286,6 +305,8 @@ def test_pc_df(particle_container, Npart):
     print(df.columns)
     print(df)
 
+    assert len(df.columns) == 12
+
 
 @pytest.mark.skipif(
     importlib.util.find_spec("pandas") is None, reason="pandas is not available"
@@ -309,3 +330,5 @@ def test_pc_df_mpi(particle_container, Npart):
         # only rank 0
         print(df.columns)
         print(df)
+
+        assert len(df.columns) == 12