diff --git a/test/grouped_convnd_bwd_weight/grouped_convnd_bwd_weight.cpp b/test/grouped_convnd_bwd_weight/grouped_convnd_bwd_weight.cpp
index 6545b6e566..75f934cc06 100644
--- a/test/grouped_convnd_bwd_weight/grouped_convnd_bwd_weight.cpp
+++ b/test/grouped_convnd_bwd_weight/grouped_convnd_bwd_weight.cpp
@@ -43,7 +43,7 @@ class TestGroupedConvndBwdWeight : public ::testing::Test
                 DataType,
                 DataType,
                 DataType>(true,  // do_verification
-                          1,     // init_method integer value
+                          1,     // init_method: integer value
                           false, // do_log
                           false, // time_kernel
                           param,
@@ -60,9 +60,9 @@ TYPED_TEST_SUITE(TestGroupedConvndBwdWeight, KernelTypes);
 TYPED_TEST(TestGroupedConvndBwdWeight, Test1D)
 {
     this->conv_params.clear();
-    this->conv_params.push_back({1, 4, 128, 128, 256, {1}, {14}, {2}, {1}, {0}, {0}});
-    this->conv_params.push_back({1, 4, 64, 128, 256, {3}, {28}, {1}, {1}, {1}, {1}});
-    this->conv_params.push_back({1, 4, 128, 128, 256, {1}, {3}, {1}, {1}, {0}, {0}});
+    this->conv_params.push_back({1, 2, 128, 128, 256, {1}, {14}, {2}, {1}, {0}, {0}});
+    this->conv_params.push_back({1, 2, 32, 128, 256, {3}, {28}, {1}, {1}, {1}, {1}});
+    this->conv_params.push_back({1, 2, 128, 128, 256, {1}, {3}, {1}, {1}, {0}, {0}});
     this->template Run<1>();
 }
 
@@ -70,11 +70,11 @@ TYPED_TEST(TestGroupedConvndBwdWeight, Test2D)
 {
     this->conv_params.clear();
     this->conv_params.push_back(
-        {2, 4, 128, 128, 256, {1, 1}, {7, 7}, {2, 2}, {1, 1}, {0, 0}, {0, 0}});
+        {2, 2, 64, 128, 256, {1, 1}, {7, 7}, {2, 2}, {1, 1}, {0, 0}, {0, 0}});
     this->conv_params.push_back(
-        {2, 4, 8, 128, 256, {3, 3}, {14, 14}, {1, 1}, {1, 1}, {1, 1}, {1, 1}});
+        {2, 2, 4, 128, 256, {3, 3}, {14, 14}, {1, 1}, {1, 1}, {1, 1}, {1, 1}});
     this->conv_params.push_back(
-        {2, 4, 128, 128, 256, {1, 1}, {3, 3}, {1, 1}, {1, 1}, {0, 0}, {0, 0}});
+        {2, 2, 128, 128, 256, {1, 1}, {3, 3}, {1, 1}, {1, 1}, {0, 0}, {0, 0}});
     this->template Run<2>();
 }
 
@@ -82,10 +82,10 @@ TYPED_TEST(TestGroupedConvndBwdWeight, Test3D)
 {
     this->conv_params.clear();
     this->conv_params.push_back(
-        {3, 4, 128, 128, 256, {1, 1, 1}, {7, 7, 7}, {2, 2, 2}, {1, 1, 1}, {0, 0, 0}, {0, 0, 0}});
+        {3, 2, 16, 128, 256, {1, 1, 1}, {7, 7, 7}, {2, 2, 2}, {1, 1, 1}, {0, 0, 0}, {0, 0, 0}});
     this->conv_params.push_back(
-        {3, 4, 8, 128, 256, {3, 3, 3}, {14, 14, 3}, {1, 1, 1}, {1, 1, 1}, {1, 1, 1}, {1, 1, 1}});
+        {3, 2, 2, 128, 256, {3, 3, 3}, {14, 14, 3}, {1, 1, 1}, {1, 1, 1}, {1, 1, 1}, {1, 1, 1}});
     this->conv_params.push_back(
-        {3, 4, 128, 128, 256, {1, 1, 1}, {3, 3, 3}, {1, 1, 1}, {1, 1, 1}, {0, 0, 0}, {0, 0, 0}});
+        {3, 2, 32, 128, 256, {1, 1, 1}, {3, 3, 3}, {1, 1, 1}, {1, 1, 1}, {0, 0, 0}, {0, 0, 0}});
     this->template Run<3>();
 }