add ENVS

Author: Aurelius84

python/paddle/fluid/tests/unittests/dygraph_to_static/CMakeLists.txt

@@ -1,5 +1,6 @@
 file(GLOB TEST_OPS RELATIVE "${CMAKE_CURRENT_SOURCE_DIR}" "test_*.py")
 string(REPLACE ".py" "" TEST_OPS "${TEST_OPS}")
+set(GC_ENVS FLAGS_eager_delete_tensor_gb=0.0)
 
 list(REMOVE_ITEM TEST_OPS test_lac)
 # NOTE(Aurelius84): In case of Windows CI, if open ON_INFER, RWLOCK of Scope will
@@ -10,7 +11,7 @@ if(NOT ON_INFER)
 endif()
 
 foreach(TEST_OP ${TEST_OPS})
-    py_test_modules(${TEST_OP} MODULES ${TEST_OP})
+    py_test_modules(${TEST_OP} MODULES ${TEST_OP} ENVS ${GC_ENVS})
 endforeach(TEST_OP)
 
 set_tests_properties(test_se_resnet PROPERTIES TIMEOUT 900)