improve temporary directory creation

Author: JLLeitschuh

maven-scm-providers/maven-scm-providers-git/maven-scm-provider-gitexe/src/test/java/org/apache/maven/scm/provider/git/gitexe/command/remove/GitRemoveCommandTest.java

@@ -26,6 +26,7 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.nio.file.Files;
 import java.util.Arrays;
 
 /**
@@ -90,9 +91,7 @@ public void testCommandRemoveWithTwoDirectory()
     private File createTempDirectory()
         throws IOException
     {
-        File dir = File.createTempFile( "gitexe", "test" );
-        dir.delete();
-        dir.mkdir();
+        File dir = Files.createTempDirectory("gitexe" + "test").toFile();
         return dir;
     }
 }

maven-scm-providers/maven-scm-providers-git/maven-scm-provider-gitexe/src/test/java/org/apache/maven/scm/provider/git/gitexe/command/status/GitStatusConsumerTest.java

@@ -26,6 +26,7 @@
 import java.io.InputStreamReader;
 import java.net.URI;
 import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
 import java.util.List;
 
 import org.apache.commons.io.FileUtils;
@@ -577,9 +578,7 @@ private void testScmFile( ScmFile fileToTest, String expectedFilePath, ScmFileSt
     private File createTempDirectory()
         throws IOException
     {
-        File dir = File.createTempFile( "gitexe", "test" );
-        dir.delete();
-        dir.mkdir();
+        File dir = Files.createTempDirectory("gitexe" + "test").toFile();
         return dir;
     }