diff --git a/CMakeLists.txt b/CMakeLists.txt
index 802138652..6b9fb0c99 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -213,14 +213,13 @@ if(NOT GTEST_INCDIR OR NOT GTEST_SRCDIR)
   set(GTEST_URL     "https://github.com/google/googletest/archive/release-${GTEST_VERSION}.tar.gz")
   set(GTEST_ARCHIVE "${RADIO_SRC_DIRECTORY}/tests/gtest-${GTEST_VERSION}.tar.gz")
 
-  if (NOT EXISTS "${GTEST_ARCHIVE}")
-    file(DOWNLOAD "${GTEST_URL}" ${GTEST_ARCHIVE} SHOW_PROGRESS)
-  endif()
-
   if (NOT EXISTS "${GTEST_SRCDIR}")
+    file(DOWNLOAD "${GTEST_URL}" ${GTEST_ARCHIVE} SHOW_PROGRESS)
     execute_process(
       COMMAND ${CMAKE_COMMAND} -E tar -xf ${GTEST_ARCHIVE}
       WORKING_DIRECTORY ${RADIO_SRC_DIRECTORY}/tests)
+    execute_process(
+      COMMAND ${CMAKE_COMMAND} -E remove -f ${GTEST_ARCHIVE})
   endif()
 endif()
 
diff --git a/radio/src/tests/CMakeLists.txt b/radio/src/tests/CMakeLists.txt
index c7e02afe2..316f7a16c 100644
--- a/radio/src/tests/CMakeLists.txt
+++ b/radio/src/tests/CMakeLists.txt
@@ -6,6 +6,7 @@ if(GTEST_INCDIR AND GTEST_SRCDIR AND Qt5Widgets_FOUND)
   add_definitions(-DSIMU -DGTESTS)
   remove_definitions(-DCLI)
   set(TESTS_PATH ${RADIO_SRC_DIRECTORY}/tests)
+  set(TESTS_BUILD_PATH ${CMAKE_CURRENT_BINARY_DIR})
   configure_file(${RADIO_SRC_DIRECTORY}/tests/location.h.in ${CMAKE_CURRENT_BINARY_DIR}/location.h @ONLY)
   include_directories(${CMAKE_CURRENT_BINARY_DIR})
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS_DEBUG} -O0")
@@ -13,21 +14,21 @@ if(GTEST_INCDIR AND GTEST_SRCDIR AND Qt5Widgets_FOUND)
   use_cxx11()  # ensure gnu++11 in CXX_FLAGS with CMake < 3.1
 
   if(PCB STREQUAL X12S OR PCB STREQUAL X10)
-    add_custom_command(
-      DEPENDS ${TESTS_PATH}/model_22_x10.otx
-              ${TESTS_PATH}/model_22_x12s.otx
-      OUTPUT ${TESTS_PATH}/model_22_x10/RADIO/radio.bin ${TESTS_PATH}/model_22_x10/RADIO/models.txt ${TESTS_PATH}/model_22_x10/MODELS/model1.bin
-             ${TESTS_PATH}/model_22_x12s/RADIO/radio.bin ${TESTS_PATH}/model_22_x12s/RADIO/models.txt ${TESTS_PATH}/model_22_x12s/MODELS/model1.bin
-      COMMAND mkdir -p model_22_x10 && cd model_22_x10 && unzip -o -DD ../model_22_x10.otx
-      COMMAND mkdir -p model_22_x12s && cd model_22_x12s && unzip -o -DD ../model_22_x12s.otx
-      WORKING_DIRECTORY ${TESTS_PATH}
-    )
-    add_custom_target(x10-model-test-files
-      DEPENDS ${TESTS_PATH}/model_22_x10/RADIO/radio.bin ${TESTS_PATH}/model_22_x10/RADIO/models.txt ${TESTS_PATH}/model_22_x10/MODELS/model1.bin
-    )
-    add_custom_target(x12s-model-test-files
-      DEPENDS ${TESTS_PATH}/model_22_x12s/RADIO/radio.bin ${TESTS_PATH}/model_22_x12s/RADIO/models.txt ${TESTS_PATH}/model_22_x12s/MODELS/model1.bin
+
+    set(EXTRACT_MODEL_FILES model_22_x12s model_22_x10)
+
+    foreach(model_file ${EXTRACT_MODEL_FILES})
+      add_custom_command(
+        DEPENDS ${TESTS_PATH}/${model_file}.otx
+        OUTPUT ${TESTS_BUILD_PATH}/${model_file}/RADIO/radio.bin
+        COMMAND mkdir -p ${model_file} && cd ${model_file} && unzip -o -q -DD ${TESTS_PATH}/${model_file}.otx >/dev/null
+        WORKING_DIRECTORY ${TESTS_BUILD_PATH}
       )
+      add_custom_target(${model_file}_files
+        DEPENDS ${TESTS_BUILD_PATH}/${model_file}/RADIO/radio.bin
+      )
+      set(HORUS_MODEL_FILES ${HORUS_MODEL_FILES} ${model_file}_files)
+    endforeach()
   endif()
   
   if(WIN32)
@@ -54,10 +55,7 @@ if(GTEST_INCDIR AND GTEST_SRCDIR AND Qt5Widgets_FOUND)
   add_executable(gtests-radio EXCLUDE_FROM_ALL ${TEST_SRC_FILES} ${CMAKE_CURRENT_SOURCE_DIR}/location.h ${RADIO_SRC} ../targets/simu/simpgmspace.cpp ../targets/simu/simueeprom.cpp ../targets/simu/simufatfs.cpp)
   add_dependencies(gtests-radio ${FIRMWARE_DEPENDENCIES} gtests-radio-lib)
   if(PCB STREQUAL X12S OR PCB STREQUAL X10)
-    add_dependencies(gtests-radio
-      x10-model-test-files
-      x12s-model-test-files
-      )
+    add_dependencies(gtests-radio ${HORUS_MODEL_FILES})
   endif()
   target_link_libraries(gtests-radio gtests-radio-lib pthread Qt5::Core Qt5::Widgets)
   message(STATUS "Added optional gtests target")
diff --git a/radio/src/tests/conversions.cpp b/radio/src/tests/conversions.cpp
index c3bcb895b..cbc778b1f 100644
--- a/radio/src/tests/conversions.cpp
+++ b/radio/src/tests/conversions.cpp
@@ -33,7 +33,7 @@ void loadEEPROMFile(const char * filename)
 #if defined(PCBX9DP)
 TEST(Conversions, ConversionX9DPFrom22)
 {
-  loadEEPROMFile(TESTS_PATH "/eeprom_22_x9d+.bin");
+  loadEEPROMFile(TESTS_BUILD_PATH "/eeprom_22_x9d+.bin");
 
   eepromOpen();
   eeLoadGeneralSettingsData();
@@ -72,7 +72,7 @@ TEST(Conversions, ConversionX9DPFrom22)
 
 TEST(Conversions, ConversionX9DPFrom23)
 {
-  loadEEPROMFile(TESTS_PATH "/eeprom_23_x9d+.bin");
+  loadEEPROMFile(TESTS_BUILD_PATH "/eeprom_23_x9d+.bin");
 
   eepromOpen();
   eeLoadGeneralSettingsData();
@@ -116,7 +116,7 @@ TEST(Conversions, ConversionX9DPFrom23)
 #if defined(PCBXLITE)
 TEST(Conversions, ConversionXLiteFrom22)
 {
-  loadEEPROMFile(TESTS_PATH "/eeprom_22_xlite.bin");
+  loadEEPROMFile(TESTS_BUILD_PATH "/eeprom_22_xlite.bin");
 
   eepromOpen();
   eeLoadGeneralSettingsData();
@@ -164,7 +164,7 @@ TEST(Conversions, ConversionXLiteFrom22)
 #if defined(PCBX7)
 TEST(Conversions, ConversionX7From22)
 {
-  loadEEPROMFile(TESTS_PATH "/eeprom_22_x7.bin");
+  loadEEPROMFile(TESTS_BUILD_PATH "/eeprom_22_x7.bin");
 
   eepromOpen();
   eeLoadGeneralSettingsData();
@@ -217,7 +217,7 @@ TEST(Conversions, ConversionX7From22)
 #if defined(PCBX10)
 TEST(Conversions, ConversionX10From22)
 {
-  simuFatfsSetPaths(TESTS_PATH "/model_22_x10/", TESTS_PATH "/model_22_x10/");
+  simuFatfsSetPaths(TESTS_BUILD_PATH "/model_22_x10/", TESTS_BUILD_PATH "/model_22_x10/");
 
   loadRadioSettings("/RADIO/radio.bin");
   loadModel("model1.bin");
@@ -293,7 +293,7 @@ TEST(Conversions, ConversionX10From22)
 #if defined(PCBX12S)
 TEST(Conversions, ConversionX12SFrom22)
 {
-  simuFatfsSetPaths(TESTS_PATH "/model_22_x12s/", TESTS_PATH "/model_22_x12s/");
+  simuFatfsSetPaths(TESTS_BUILD_PATH "/model_22_x12s/", TESTS_BUILD_PATH "/model_22_x12s/");
 
   loadRadioSettings("/RADIO/radio.bin");
   loadModel("model1.bin");
diff --git a/radio/src/tests/location.h.in b/radio/src/tests/location.h.in
index 359e110b1..e2eeac460 100644
--- a/radio/src/tests/location.h.in
+++ b/radio/src/tests/location.h.in
@@ -1 +1,2 @@
-#define TESTS_PATH    "@TESTS_PATH@"
+#define TESTS_PATH        "@TESTS_PATH@"
+#define TESTS_BUILD_PATH  "@TESTS_BUILD_PATH@"
diff --git a/radio/src/tests/model_22_x12s.otx b/radio/src/tests/model_22_x12s.otx
index 404df3460..ac4033662 100644
Binary files a/radio/src/tests/model_22_x12s.otx and b/radio/src/tests/model_22_x12s.otx differ