diff --git a/test/test_highsnr_stdio_C_P_datacx.py b/test/test_highsnr_stdio_C_P_datacx.py
index 8cb430a8..ac34b55d 100644
--- a/test/test_highsnr_stdio_C_P_datacx.py
+++ b/test/test_highsnr_stdio_C_P_datacx.py
@@ -130,9 +130,12 @@ def t_HighSNR_C_P_DATACx(
                 print(lastline)
 
 
-@pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
-@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
-@pytest.mark.parametrize("testframes", [TESTFRAMES, 2, 1])
+# @pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
+# @pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
+# @pytest.mark.parametrize("testframes", [TESTFRAMES, 2, 1])
+@pytest.mark.parametrize("bursts", [BURSTS])
+@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST])
+@pytest.mark.parametrize("testframes", [TESTFRAMES])
 @pytest.mark.parametrize("mode", ["datac0", "datac1", "datac3"])
 def test_HighSNR_C_P_DATACx(
     bursts: int, frames_per_burst: int, testframes: int, mode: str
diff --git a/test/test_highsnr_stdio_P_C_datacx.py b/test/test_highsnr_stdio_P_C_datacx.py
index 7637e3dc..47f6d533 100644
--- a/test/test_highsnr_stdio_P_C_datacx.py
+++ b/test/test_highsnr_stdio_P_C_datacx.py
@@ -134,8 +134,10 @@ def t_HighSNR_P_C_DATACx(bursts: int, frames_per_burst: int, mode: str):
                     print(lastline)
 
 
-@pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
-@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
+# @pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
+# @pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
+@pytest.mark.parametrize("bursts", [BURSTS])
+@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST])
 @pytest.mark.parametrize("mode", ["datac0", "datac1", "datac3"])
 def test_HighSNR_P_C_DATACx(bursts: int, frames_per_burst: int, mode: str):
     proc = multiprocessing.Process(
diff --git a/test/test_highsnr_stdio_P_P_datacx.py b/test/test_highsnr_stdio_P_P_datacx.py
index 94f32bb7..8975a6d6 100644
--- a/test/test_highsnr_stdio_P_P_datacx.py
+++ b/test/test_highsnr_stdio_P_P_datacx.py
@@ -95,8 +95,10 @@ def t_HighSNR_P_P_DATACx(bursts: int, frames_per_burst: int, mode: str):
             print(lastline)
 
 
-@pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
-@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
+# @pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
+# @pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
+@pytest.mark.parametrize("bursts", [BURSTS])
+@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST])
 @pytest.mark.parametrize("mode", ["datac0", "datac1", "datac3"])
 def test_HighSNR_P_P_DATACx(bursts: int, frames_per_burst: int, mode: str):
     proc = multiprocessing.Process(
diff --git a/test/test_highsnr_stdio_P_P_multi.py b/test/test_highsnr_stdio_P_P_multi.py
index 09efb021..cba9bb07 100644
--- a/test/test_highsnr_stdio_P_P_multi.py
+++ b/test/test_highsnr_stdio_P_P_multi.py
@@ -91,8 +91,10 @@ def t_HighSNR_P_P_Multi(bursts: int, frames_per_burst: int):
             print(lastline)
 
 
-@pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
-@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
+# @pytest.mark.parametrize("bursts", [BURSTS, 2, 3])
+# @pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST, 2, 3])
+@pytest.mark.parametrize("bursts", [BURSTS])
+@pytest.mark.parametrize("frames_per_burst", [FRAMESPERBURST])
 def test_HighSNR_P_P_multi(bursts: int, frames_per_burst: int):
     proc = multiprocessing.Process(
         target=t_HighSNR_P_P_Multi,