[Dubbo- unit test class not found] fix class not found "hi"

[zonghaishang]

What is the purpose of the change

fix unit test DubboInvokerAvilableTest & DubboLazyConnectTest class not found "hi"

Brief changelog

1. Replace url path "hi" to "org.apache.dubbo.rpc.protocol.dubbo.IDemoService"
2. Move "org.apache.dubbo.rpc.protocol.dubbo.IDemoService" to the top

Verifying this change

unit test passed

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[codecov-io]

Codecov Report

Merging #2034 into master will decrease coverage by 0.01%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #2034      +/-   ##
============================================
- Coverage     52.16%   52.14%   -0.02%     
  Complexity     4904     4904              
============================================
  Files           562      562              
  Lines         25216    25216              
  Branches       4449     4449              
============================================
- Hits          13153    13150       -3     
- Misses        10060    10062       +2     
- Partials       2003     2004       +1

Impacted Files	Coverage Δ	Complexity Δ
.../dubbo/remoting/transport/netty4/NettyChannel.java	60% <0%> (-6.25%)	21% <0%> (-2%)
...bo/remoting/transport/netty/NettyCodecAdapter.java	53.12% <0%> (-1.57%)	3% <0%> (ø)
...rpc/protocol/dubbo/telnet/InvokeTelnetHandler.java	55.69% <0%> (+3.79%)	13% <0%> (+2%)	⬆️

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