[Unit Test]fix: maxmemory.tcl & printver.tcl #1624

[chenbt-hz]

fix: #1624

./pikatests.sh maxmemory
rm: src/redis-server: No such file or directory
BUILD_DIR: output
run pika tests maxmemory
Cleanup: may take some time... OK
Starting test server at port 11111
[ready]: 96342
Testing unit/maxmemory
Starting ---- 
Before Wait
After Wait
[ok]: Without maxmemory small integers are shared
[ok]: Check for memory leaks (pid 96344)
Waiting for process 96344 to exit...
Waiting for process 96344 to exit...
Waiting for process 96344 to exit...
Waiting for process 96344 to exit...
Forcing process 96344 to exit...
[1/1 done]: unit/maxmemory (15 seconds)

                   The End

Execution time of different units:
  15 seconds - unit/maxmemory

\o/ All tests passed without errors!

Cleanup: may take some time... OK

fix: printver.tcl

./pikatests.sh printver          
rm: src/redis-server: No such file or directory
BUILD_DIR: output
run pika tests printver
Cleanup: may take some time... OK
Starting test server at port 11111
[ready]: 95762
Testing unit/printver
Starting ---- 
Before Wait
After Wait
Testing Pika version 3.4.2 (7d4f628492c68581fd67d76b75fc0f1b2b88a817)
Waiting for process 95764 to exit...
Waiting for process 95764 to exit...
Waiting for process 95764 to exit...
Waiting for process 95764 to exit...
[1/1 done]: unit/printver (13 seconds)

                   The End

Execution time of different units:
  13 seconds - unit/printver

\o/ All tests passed without errors!

Cleanup: may take some time... OK

[machinly]

最好是注视掉，然后写明为什么注释。
以及在wiki里把不支持的命令加上，以便后续与redis对齐。

[chenbt-hz]

最好是注视掉，然后写明为什么注释。 以及在wiki里把不支持的命令加上，以便后续与redis对齐。

已处理

[machinly]

可以顺便把 tests/test_helper.tcl 里相关的文件取消注释，这样ci就能能串上了。