Tests run: 12, Failures: 0, Errors: 3, Skipped: 0, Time elapsed: 76.629 sec <<< FAILURE! - in jenkins.plugins.slack.webhook.WebhookEndpointTest
testGetProjectBuildLog(jenkins.plugins.slack.webhook.WebhookEndpointTest)  Time elapsed: 6.187 sec  <<< ERROR!
java.io.IOException: Failed to create a temporary file in C:\Users\Dani\AppData\Local\Temp\hudson5484292220875511752test\jobs\╢12345678  90?qwertyuioplkjhgfdsazxcvbnm~()-_=+7{},."'    5
        at java.io.WinNTFileSystem.createFileExclusively(Native Method)
        at java.io.File.createTempFile(File.java:2024)
        at hudson.util.AtomicFileWriter.<init>(AtomicFileWriter.java:66)
        at hudson.util.AtomicFileWriter.<init>(AtomicFileWriter.java:55)
        at hudson.XmlFile.write(XmlFile.java:175)
        at hudson.model.AbstractItem.save(AbstractItem.java:513)
        at hudson.model.Job.save(Job.java:177)
        at hudson.model.AbstractProject.save(AbstractProject.java:303)
        at hudson.model.ItemGroupMixIn.createProject(ItemGroupMixIn.java:308)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2474)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2470)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2505)
        at org.jvnet.hudson.test.JenkinsRule.createFreeStyleProject(JenkinsRule.java:736)
        at jenkins.plugins.slack.webhook.WebhookEndpointTest.testGetProjectBuildLog(WebhookEndpointTest.java:184)

testRunProject(jenkins.plugins.slack.webhook.WebhookEndpointTest)  Time elapsed: 5.368 sec  <<< ERROR!
java.io.IOException: Failed to create a temporary file in C:\Users\Dani\AppData\Local\Temp\hudson5037677634545933564test\jobs\╢12345678  90?qwertyuioplkjhgfdsazxcvbnm~()-_=+7{},."'    5
        at java.io.WinNTFileSystem.createFileExclusively(Native Method)
        at java.io.File.createTempFile(File.java:2024)
        at hudson.util.AtomicFileWriter.<init>(AtomicFileWriter.java:66)
        at hudson.util.AtomicFileWriter.<init>(AtomicFileWriter.java:55)
        at hudson.XmlFile.write(XmlFile.java:175)
        at hudson.model.AbstractItem.save(AbstractItem.java:513)
        at hudson.model.Job.save(Job.java:177)
        at hudson.model.AbstractProject.save(AbstractProject.java:303)
        at hudson.model.ItemGroupMixIn.createProject(ItemGroupMixIn.java:308)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2474)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2470)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2505)
        at org.jvnet.hudson.test.JenkinsRule.createFreeStyleProject(JenkinsRule.java:736)
        at jenkins.plugins.slack.webhook.WebhookEndpointTest.testRunProject(WebhookEndpointTest.java:167)

testListProjects(jenkins.plugins.slack.webhook.WebhookEndpointTest)  Time elapsed: 5.622 sec  <<< ERROR!
java.io.IOException: Failed to create a temporary file in C:\Users\Dani\AppData\Local\Temp\hudson1610056421398266465test\jobs\╢12345678  90?qwertyuioplkjhgfdsazxcvbnm~()-_=+7{},."'    5
        at java.io.WinNTFileSystem.createFileExclusively(Native Method)
        at java.io.File.createTempFile(File.java:2024)
        at hudson.util.AtomicFileWriter.<init>(AtomicFileWriter.java:66)
        at hudson.util.AtomicFileWriter.<init>(AtomicFileWriter.java:55)
        at hudson.XmlFile.write(XmlFile.java:175)
        at hudson.model.AbstractItem.save(AbstractItem.java:513)
        at hudson.model.Job.save(Job.java:177)
        at hudson.model.AbstractProject.save(AbstractProject.java:303)
        at hudson.model.ItemGroupMixIn.createProject(ItemGroupMixIn.java:308)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2474)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2470)
        at jenkins.model.Jenkins.createProject(Jenkins.java:2505)
        at org.jvnet.hudson.test.JenkinsRule.createFreeStyleProject(JenkinsRule.java:736)
        at jenkins.plugins.slack.webhook.WebhookEndpointTest.testListProjects(WebhookEndpointTest.java:147)


Results :

Tests in error:
  WebhookEndpointTest.testGetProjectBuildLog:184 » IO Failed to create a tempora...
  WebhookEndpointTest.testRunProject:167 » IO Failed to create a temporary file ...
  WebhookEndpointTest.testListProjects:147 » IO Failed to create a temporary fil...

Tests run: 64, Failures: 0, Errors: 3, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 01:59 min
[INFO] Finished at: 2018-09-06T22:04:50+03:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.16:test (default-test) on project slack: There are test failures.