修复实例check返回连接状态错误bug fix #1179

[nick2wang]

fix #1179
redis和clickhouse engine使用的连接器在实例信息配置错误的情况下不会抛出异常，导致实例配置无论正确与否都会返回连接成功

[codecov]

Codecov Report

Merging #1407 (0f0c981) into master (bbcf17a) will increase coverage by 0.00%.
The diff coverage is 83.33%.

@@           Coverage Diff           @@
##           master    #1407   +/-   ##
=======================================
  Coverage   74.94%   74.94%           
=======================================
  Files          82       82           
  Lines       13205    13209    +4     
=======================================
+ Hits         9896     9899    +3     
- Misses       3309     3310    +1     

Impacted Files	Coverage Δ
sql/engines/redis.py	76.41% <0.00%> (-0.73%)	⬇️
common/check.py	83.80% <100.00%> (+0.47%)	⬆️
common/tests.py	100.00% <100.00%> (ø)

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[LeoQuote]

LGTM