[TD-3741]<fix>: python test case on arm32. (#5767)

* [TD-3741]<fix>: python test case on arm32.

select * with lots data lead timeout.

* [TD-3741]<fix>: python test case on arm32.

change importDataLastS.py select * to count.

tests/pytest/import_merge/importDataLastS.py

@@ -54,8 +54,8 @@ class TDTestCase:
         tdSql.execute(" ".join(sqlcmd))
 
         tdLog.info("================= step3")
-        tdSql.query('select * from tb1')
-        tdSql.checkRows(205)
+        tdSql.query('select count(*) from tb1')
+        tdSql.checkData(0, 0, 205)
 
         tdLog.info("================= step4")
         tdDnodes.stop(1)
@@ -71,8 +71,8 @@ class TDTestCase:
         tdSql.execute(" ".join(sqlcmd))
 
         tdLog.info("================= step6")
-        tdSql.query('select * from tb1')
-        tdSql.checkRows(250)
+        tdSql.query('select count(*) from tb1')
+        tdSql.checkData(0, 0, 250)
 
     def stop(self):
         tdSql.close()

tests/pytest/insert/boundary2.py

@@ -50,14 +50,16 @@ class TDTestCase:
             sql += "'%s')" % self.get_random_string(22)
             tdSql.execute(sql % (self.ts + i))
 
-        tdSql.query("select * from stb")
-        tdSql.checkRows(4096)
+        time.sleep(10)
+        tdSql.query("select count(*) from stb")
+        tdSql.checkData(0, 0, 4096)
 
         tdDnodes.stop(1)
         tdDnodes.start(1)
 
-        tdSql.query("select * from stb")
-        tdSql.checkRows(4096)
+        time.sleep(1)
+        tdSql.query("select count(*) from stb")
+        tdSql.checkData(0, 0, 4096)
 
         endTime = time.time()