HDFS-17051. Fix wrong time unit in TestFileAppend4#recoverFile

[wzhallright]

Description of PR

At TestFIleAppend4.java the method recoverFile
`// set the soft limit to be 1 second so that the

// namenode triggers lease recovery upon append request

cluster.setLeasePeriod(1,   

conf.getLong(DFSConfigKeys.DFS_LEASE_HARDLIMIT_KEY,   

 DFSConfigKeys.DFS_LEASE_HARDLIMIT_DEFAULT));`

The notation mean setLeasePeriod of soft limit to be 1 second, but current set the soft limit to be 1ms.

How was this patch tested?

For code changes:

issue: https://issues.apache.org/jira/browse/HDFS-17051

[wzhallright]

@ayushtkn Could you help review this when you have time? Thanks!

[ayushtkn]

LGTM

[hadoop-yetus]

💔 -1 overall

Vote	Subsystem	Runtime	Logfile	Comment
+0 🆗	reexec	0m 44s		Docker mode activated.
			_ Prechecks _
+1 💚	dupname	0m 0s		No case conflicting files found.
+0 🆗	codespell	0m 0s		codespell was not available.
+0 🆗	detsecrets	0m 0s		detect-secrets was not available.
+1 💚	@author	0m 0s		The patch does not contain any @author tags.
+1 💚	test4tests	0m 0s		The patch appears to include 1 new or modified test files.
			_ trunk Compile Tests _
-1 ❌	mvninstall	38m 55s	/branch-mvninstall-root.txt	root in trunk failed.
+1 💚	compile	1m 31s		trunk passed with JDK Ubuntu-11.0.19+7-post-Ubuntu-0ubuntu120.04.1
+1 💚	compile	1m 24s		trunk passed with JDK Private Build-1.8.0_362-8u372-gaus1-0ubuntu120.04-b09
+1 💚	checkstyle	1m 23s		trunk passed
+1 💚	mvnsite	1m 35s		trunk passed
+1 💚	javadoc	1m 22s		trunk passed with JDK Ubuntu-11.0.19+7-post-Ubuntu-0ubuntu120.04.1
+1 💚	javadoc	1m 42s		trunk passed with JDK Private Build-1.8.0_362-8u372-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	3m 54s		trunk passed
+1 💚	shadedclient	24m 40s		branch has no errors when building and testing our client artifacts.
			_ Patch Compile Tests _
+1 💚	mvninstall	1m 13s		the patch passed
+1 💚	compile	1m 17s		the patch passed with JDK Ubuntu-11.0.19+7-post-Ubuntu-0ubuntu120.04.1
+1 💚	javac	1m 17s		the patch passed
+1 💚	compile	1m 11s		the patch passed with JDK Private Build-1.8.0_362-8u372-gaus1-0ubuntu120.04-b09
+1 💚	javac	1m 11s		the patch passed
+1 💚	blanks	0m 0s		The patch has no blanks issues.
+1 💚	checkstyle	1m 0s		the patch passed
+1 💚	mvnsite	1m 17s		the patch passed
+1 💚	javadoc	0m 57s		the patch passed with JDK Ubuntu-11.0.19+7-post-Ubuntu-0ubuntu120.04.1
+1 💚	javadoc	1m 31s		the patch passed with JDK Private Build-1.8.0_362-8u372-gaus1-0ubuntu120.04-b09
+1 💚	spotbugs	3m 16s		the patch passed
+1 💚	shadedclient	23m 53s		patch has no errors when building and testing our client artifacts.
			_ Other Tests _
+1 💚	unit	213m 25s		hadoop-hdfs in the patch passed.
+1 💚	asflicense	0m 57s		The patch does not generate ASF License warnings.
		327m 2s

Subsystem	Report/Notes
Docker	ClientAPI=1.43 ServerAPI=1.43 base: https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5749/1/artifact/out/Dockerfile
GITHUB PR	#5749
Optional Tests	dupname asflicense compile javac javadoc mvninstall mvnsite unit shadedclient spotbugs checkstyle codespell detsecrets
uname	Linux d526c9b4c596 4.15.0-206-generic #217-Ubuntu SMP Fri Feb 3 19:10:13 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux
Build tool	maven
Personality	dev-support/bin/hadoop.sh
git revision	trunk / 099b645
Default Java	Private Build-1.8.0_362-8u372-gaus1-0ubuntu120.04-b09
Multi-JDK versions	/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.19+7-post-Ubuntu-0ubuntu120.04.1 /usr/lib/jvm/java-8-openjdk-amd64:Private Build-1.8.0_362-8u372-gaus1-0ubuntu120.04-b09
Test Results	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5749/1/testReport/
Max. process+thread count	3153 (vs. ulimit of 5500)
modules	C: hadoop-hdfs-project/hadoop-hdfs U: hadoop-hdfs-project/hadoop-hdfs
Console output	https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-5749/1/console
versions	git=2.25.1 maven=3.6.3 spotbugs=4.2.2
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