Use lineariziable range request in TestKVGet

[ahrtr]

Fix the following test failure.

$ cd tests/common/
$ go test --tags integration -run TestKVPut -v
    logger.go:130: 2022-04-18T08:58:29.561+0800	INFO	m1	trace[1615401671] put	{"member": "m1", "detail": "{key:foo; req_size:10; response_revision:2; }", "duration": "136.483949ms", "start": "2022-04-18T08:58:29.425+0800", "end": "2022-04-18T08:58:29.561+0800", "steps": ["trace[1615401671] 'process raft request'  (duration: 75.406328ms)", "trace[1615401671] 'marshal mvccpb.KeyValue'  (duration: 60.998853ms)"], "step_count": 2}
    kv_test.go:71: Unexpected lenth of response, got 0
    cluster.go:1368: ========= Cluster termination started =====================
panic: runtime error: index out of range [0] with length 0

goroutine 708 [running]:
go.etcd.io/etcd/tests/v3/common.TestKVPut.func1.1()
	/Users/wachao/go/src/github.com/ahrtr/etcd/tests/common/kv_test.go:73 +0x45f
go.etcd.io/etcd/tests/v3/framework/testutils.ExecuteWithTimeout.func1()
	/Users/wachao/go/src/github.com/ahrtr/etcd/tests/framework/testutils/execute.go:29 +0x5b
created by go.etcd.io/etcd/tests/v3/framework/testutils.ExecuteWithTimeout
	/Users/wachao/go/src/github.com/ahrtr/etcd/tests/framework/testutils/execute.go:27 +0xaf
exit status 2
FAIL	go.etcd.io/etcd/tests/v3/common	2.506s

Note: use command below can reproduce this issue more easily (without the -v),

$ go test --tags integration -run TestKVPut

[codecov-commenter]

Codecov Report

Merging #13957 (842fed5) into main (8149191) will decrease coverage by 0.10%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main   #13957      +/-   ##
==========================================
- Coverage   72.61%   72.50%   -0.11%     
==========================================
  Files         469      469              
  Lines       38414    38414              
==========================================
- Hits        27895    27853      -42     
- Misses       8745     8781      +36     
- Partials     1774     1780       +6     

Flag	Coverage Δ
all	72.50% <ø> (-0.11%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
client/pkg/v3/tlsutil/tlsutil.go	83.33% <0.00%> (-8.34%)	⬇️
client/v3/leasing/cache.go	87.77% <0.00%> (-3.89%)	⬇️
client/pkg/v3/testutil/recorder.go	76.27% <0.00%> (-3.39%)	⬇️
client/v3/leasing/txn.go	88.09% <0.00%> (-3.18%)	⬇️
client/pkg/v3/transport/listener.go	57.18% <0.00%> (-2.40%)	⬇️
server/etcdserver/util.go	86.17% <0.00%> (-2.13%)	⬇️
server/etcdserver/api/v3rpc/watch.go	86.57% <0.00%> (-1.35%)	⬇️
server/proxy/grpcproxy/watch.go	95.37% <0.00%> (-1.16%)	⬇️
server/storage/mvcc/kvstore_txn.go	75.27% <0.00%> (-1.10%)	⬇️
server/etcdserver/api/v3rpc/interceptor.go	76.56% <0.00%> (-1.05%)	⬇️
... and 8 more

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