diff --git a/dnn/test/arm_common/conv_bias_multi_thread.cpp b/dnn/test/arm_common/conv_bias_multi_thread.cpp
index 7119c5ed5c8b20dd5c577e990ff582775f6f00f9..0f9eeef4da41826a9efe9e16a5926bd1afe88648 100644
--- a/dnn/test/arm_common/conv_bias_multi_thread.cpp
+++ b/dnn/test/arm_common/conv_bias_multi_thread.cpp
@@ -168,12 +168,14 @@ std::vector<conv_bias::TestArg> get_nchw44_conv_bias_args(
         for (auto nlmode : nonlinemode)
             for (size_t n : {1, 2})
                 for (size_t kernel : kernel_vec)
-                    for (size_t oc : {4, 32})
-                        for (size_t ic : {1, 3, 4, 12, 32})
+                    for (size_t oc : {4, 12})
+                        for (size_t ic : {1, 3, 4, 12})
                             for (size_t h : {3, 5, 12})
-                                for (size_t w : {7, 23}) {
+                                for (size_t w : {7, 16, 23}) {
                                     for (size_t group = 1;
-                                         group <= std::min(oc, ic); ++group) {
+                                         group <=
+                                         std::min(std::min(oc, ic), 4_z);
+                                         ++group) {
                                         pack(n, oc, ic, h, w, kernel, stride,
                                              group, nlmode, bias);
                                     }
@@ -350,16 +352,19 @@ TEST_F(ARM_COMMON_MULTI_THREADS, CONVBIAS_DIRECT_FP32_SMALL_GROUP) {
             get_conv_bias_args({1, 2, 3, 4, 5, 6, 7}, 1, false, false, false),
             handle(), "F32DIRECT_SMALL_GROUP");
 }
+
 TEST_F(ARM_COMMON_MULTI_THREADS, CONVBIAS_DIRECT_FP32_NCHW44_S1_K7) {
-    check_conv_bias(get_nchw44_conv_bias_args({7}, 1, false, false, false,
+    check_conv_bias(get_nchw44_conv_bias_args({7}, 1, false, true, true,
                                               false, false, false),
                     handle(), "F32_CONV_NCHW44_DIRECT");
 }
+
 TEST_F(ARM_COMMON_MULTI_THREADS, CONVBIAS_DIRECT_FP32_NCHW44_S1_K2K3) {
     check_conv_bias(get_nchw44_conv_bias_args({2, 3}, 1, false, false, false,
                                               false, true, true),
                     handle(), "F32_CONV_NCHW44_DIRECT");
 }
+
 TEST_F(ARM_COMMON_MULTI_THREADS, CONVBIAS_DIRECT_FP32_NCHW44_S1_K5) {
     check_conv_bias(get_nchw44_conv_bias_args({5}, 1, false, false, false,
                                               false, true, true),
@@ -396,11 +401,13 @@ TEST_F(ARM_COMMON_MULTI_THREADS, CONVBIAS_NCHW_NCHW44_F32) {
                                               false, true),
                     handle(), "F32_CONV_NCHW_NCHW44");
 }
+
 TEST_F(ARM_COMMON_MULTI_THREADS, CONV_BIAS_CHANNEL_WISE_STRIDE1_FP32_NCHW44_1) {
     check_conv_bias(
             get_nchw44_channel_wise_args({2, 3}, 1, false, false, false),
             handle(), "F32_CHANNEL_WISE_NCHW44");
 }
+
 TEST_F(ARM_COMMON_MULTI_THREADS, CONV_BIAS_CHANNEL_WISE_STRIDE1_FP32_NCHW44_2) {
     check_conv_bias(get_nchw44_channel_wise_args({5}, 1, false, false, false),
                     handle(), "F32_CHANNEL_WISE_NCHW44");