[CI] Fix the issue that 'Server_CI' task may fail occasionally on `sgemm_test` #4345

lite/tests/math/sgemm_compute_test.cc

@@ -39,7 +39,13 @@ DEFINE_int32(power_mode,
 DEFINE_int32(threads, 1, "threads num");
 DEFINE_int32(warmup, 0, "warmup times");
 DEFINE_int32(repeats, 1, "repeats times");
+#ifdef LITE_WITH_ARM
+// sgemm_test wiil not be operated except that it's
+// on arm backend.
 DEFINE_bool(basic_test, true, "do all tests");
+#else
+DEFINE_bool(basic_test, false, "do all tests");
+#endif
 DEFINE_bool(check_result, true, "check the result");
 
 DEFINE_int32(M, 512, "gemm: M");