normalize autotune tests dir (#47726)

paddle/phi/kernels/autotune/CMakeLists.txt

-if(WITH_GPU)
-  nv_test(
-    gpu_timer_test
-    SRCS gpu_timer_test.cu
-    DEPS gtest)
-  nv_test(
-    auto_tune_test
-    SRCS auto_tune_test.cu
-    DEPS gtest)
-elseif(WITH_ROCM)
-  hip_test(
-    gpu_timer_test
-    SRCS gpu_timer_test.cu
-    DEPS gtest)
-  hip_test(
-    auto_tune_test
-    SRCS auto_tune_test.cu
-    DEPS gtest)
-endif()
-
 cc_library(cache SRCS cache.cc)
 cc_library(
   switch_autotune
   SRCS switch_autotune.cc
   DEPS cache flags)
-
-cc_test(
-  cache_test
-  SRCS cache_test.cc
-  DEPS gtest cache)

paddle/phi/tests/kernels/CMakeLists.txt

@@ -66,3 +66,28 @@ cc_test(
   test_transfer_layout_dev_api
   SRCS test_transfer_layout_dev_api.cc
   DEPS phi phi_api_utils)
+
+if(WITH_GPU)
+  nv_test(
+    test_gpu_timer
+    SRCS test_gpu_timer.cu
+    DEPS gtest)
+  nv_test(
+    test_auto_tune
+    SRCS test_auto_tune.cu
+    DEPS gtest)
+elseif(WITH_ROCM)
+  hip_test(
+    test_gpu_timer
+    SRCS test_gpu_timer.cu
+    DEPS gtest)
+  hip_test(
+    test_auto_tune
+    SRCS test_auto_tune.cu
+    DEPS gtest)
+endif()
+
+cc_test(
+  test_cache
+  SRCS test_cache.cc
+  DEPS gtest cache)

paddle/phi/kernels/autotune/cache_test.cc → paddle/phi/tests/kernels/test_cache.cc

@@ -12,13 +12,13 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#include "paddle/phi/kernels/autotune/cache.h"
-
 #include <gtest/gtest.h>
 
 #include <cmath>
 #include <functional>
 
+#include "paddle/phi/kernels/autotune/cache.h"
+
 #include "glog/logging.h"
 
 enum ConvAlgos { GEMMKernel = 0, CuDNNKernel_1 = 1, CuDNNKernel_2 = 2 };