[CodeStyle] Add CI for self.assertTrue(np.allclose(...)) (#45126)

* Add CI for assert-allclose.

* Update CI script.

* Update check_approval.

* Specify the destination path for the git diff.

* Add test samples.

* Add CI for assert-allclose with \n.

* Update test samples.

* Update ALL_ADDED_LINES_IN_TARGET_PATH.

* update GitHub username to userid, test=document_fix

* add rfc as a specification, test=document_fix

* try to integrate single and multiple rows together, test=document_fix

* remove duplicate dirs, test=document_fix

* add anchor `#background`, test=document_fix

* remove original scripts, test=document_fix

* remove test files, test=document_fix
Co-authored-by: NSigureMo <sigure.qaq@gmail.com>

tools/check_file_diff_approvals.sh

@@ -259,6 +259,12 @@ if [ "${EMPTY_GRAD_OP_REGISTERED}" != "" ] && [ "${GIT_PT_ID}" != "" ]; then
     check_approval 1 43953930 46782768 22165420 22361972
 fi
 
+INVALID_UNITTEST_ASSERT_CHECK=`echo "$ALL_ADDED_LINES" | grep -zoE '\+\s+self\.assert(True|Equal)\((\s*\+\s*)?(np|numpy)\.(allclose|array_equal)[^+]*' || true`
+if [ "${INVALID_UNITTEST_ASSERT_CHECK}" != "" ] && [ "${GIT_PR_ID}" != "" ]; then
+    echo_line="It is recommended to use 'np.testing.assert_allclose' and 'np.testing.array_equal' instead of 'self.assertTrue(np.allclose(...))' and 'self.assertTrue(np.array_equal(...))'.\nPlease modify the code below. If anything is unclear, please read the specification [ https://github.com/PaddlePaddle/community/blob/master/rfcs/CodeStyle/20220805_code_style_improvement_for_unittest.md#background ]. If it is a mismatch, please request qili93 (Recommend) or luotao1 review and approve.\nThe code that do not meet the specification are as follows:\n${INVALID_UNITTEST_ASSERT_CHECK}\n"
+    check_approval 1 16605440 6836917
+fi
+
 HAS_MODIFIED_PHI_FILES=`git diff --name-only upstream/$BRANCH | grep "paddle/phi/" || true`
 PHI_INCLUDE_FLUID_FILES=""
 for CHANGE_FILE in ${HAS_MODIFIED_PHI_FILES}; do