Merge #49937

49937: cli/interactive_tests: misc improvements r=rohany a=knz

Found while working on #48051

Co-authored-by: Raphael 'kena' Poss <knz@thaumogen.net>

pkg/cli/interactive_tests/test_extern_dir.tcl

@@ -2,7 +2,7 @@
 #
 source [file join [file dirname $argv0] common.tcl]
 
-set storedir "mystore"
+set storedir "logs/mystore"
 set externdir "/some/extern"
 
 spawn /bin/bash

pkg/cli/interactive_tests/test_flags.tcl

@@ -7,14 +7,14 @@ send "PS1=':''/# '\r"
 eexpect ":/# "
 
 start_test "Check that --max-disk-temp-storage works."
-send "$argv start-single-node --insecure --store=path=mystore --max-disk-temp-storage=10GiB\r"
+send "$argv start-single-node --insecure --store=path=logs/mystore --max-disk-temp-storage=10GiB\r"
 eexpect "node starting"
 interrupt
 eexpect ":/# "
 end_test
 
 start_test "Check that --max-disk-temp-storage can be expressed as a percentage."
-send "$argv start-single-node --insecure --store=path=mystore --max-disk-temp-storage=10%\r"
+send "$argv start-single-node --insecure --store=path=logs/mystore --max-disk-temp-storage=10%\r"
 eexpect "node starting"
 interrupt
 eexpect ":/# "

pkg/cli/interactive_tests/test_sql_mem_monitor.tcl

@@ -28,7 +28,7 @@ start_server $argv
 system "echo 'select * from system.information_schema.columns;' | $argv sql >/dev/null"
 
 # What memory is currently consumed by the server?
-set vmem [ exec ps --no-headers o vsz -p [ exec cat server_pid ] ]
+set vmem [ exec ps -o vsz= -p [ exec cat server_pid ] ]
 
 # Now play. First, shut down the running server.
 stop_server $argv

pkg/cli/interactive_tests/test_temp_dir.tcl

@@ -4,8 +4,8 @@ source [file join [file dirname $argv0] common.tcl]
 
 set recordfile "temp-dirs-record.txt"
 set tempprefix "cockroach-temp"
-set storedir "mystore"
-set tempdir "mystore/temp"
+set storedir "logs/mystore"
+set tempdir "logs/mystore/temp"
 set cwd ""
 # Ensure that pwd will only return absolute paths.
 cd [file normalize [pwd]]