Fix the problem that building for Android fails with WITH_TESTING=ON. (#6051)

paddle/gserver/tests/CMakeLists.txt

@@ -89,16 +89,6 @@ if(NOT MOBILE_INFERENCE)
             COMMAND .set_python_path.sh -d ${PADDLE_SOURCE_DIR}/python ${CMAKE_CURRENT_BINARY_DIR}/test_NetworkCompare --use_gpu=false
             WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle)
     endif()
-endif()
-
-
-add_unittest_without_exec(test_PyDataProvider2
-        test_PyDataProvider2.cpp)
-
-add_test(NAME test_PyDataProvider2
-   COMMAND .set_python_path.sh -d ${PADDLE_SOURCE_DIR}/paddle/gserver/tests:${PADDLE_SOURCE_DIR}/python ${CMAKE_CURRENT_BINARY_DIR}/test_PyDataProvider2
-        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle
-)
 
     ################# test_CompareSparse ##################
     add_unittest_without_exec(test_CompareSparse
@@ -120,3 +110,12 @@ add_test(NAME test_CompareTwoNets
             ${PADDLE_SOURCE_DIR}/python:${PADDLE_SOURCE_DIR}/paddle/gserver/tests
             ${CMAKE_CURRENT_BINARY_DIR}/test_CompareTwoNets
         WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle/)
+endif()
+
+################ test_PyDataProvider2 ######################
+add_unittest_without_exec(test_PyDataProvider2
+        test_PyDataProvider2.cpp)
+add_test(NAME test_PyDataProvider2
+   COMMAND .set_python_path.sh -d ${PADDLE_SOURCE_DIR}/paddle/gserver/tests:${PADDLE_SOURCE_DIR}/python ${CMAKE_CURRENT_BINARY_DIR}/test_PyDataProvider2
+        WORKING_DIRECTORY ${PADDLE_SOURCE_DIR}/paddle
+)