Cleaning up test case build warnings
diff --git a/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/FSTest.java b/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/FSTest.java
index ec9e66a..04e95ce 100644
--- a/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/FSTest.java
+++ b/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/FSTest.java
@@ -22,7 +22,7 @@
     @Test
     public void testIsTestingDirInvalid()
     {
-        assertInvalidTestingDir(MavenTestingUtils.getBasedir());
+        assertInvalidTestingDir(MavenTestingUtils.getBaseDir());
 
         String tmpdir = System.getProperty("java.io.tmpdir");
         assertInvalidTestingDir(new File(tmpdir));
@@ -56,7 +56,7 @@
 
         PathAssert.assertDirExists("pre-delete",testdir);
         FS.deleteDirectory(testdir);
-        PathAssert.assertNotExists("post-delete",testdir);
+        PathAssert.assertNotPathExists("post-delete",testdir);
     }
 
     private void createDummyDirectoryContent(File testdir) throws IOException
diff --git a/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/OSTest.java b/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/OSTest.java
index 3104dd1..25ed2b5 100644
--- a/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/OSTest.java
+++ b/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/OSTest.java
@@ -1,6 +1,6 @@
 package org.eclipse.jetty.toolchain.test;
 
-import junit.framework.Assert;
+import org.junit.Assert;
 
 import org.junit.Test;
 
diff --git a/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/TestingDirTest.java b/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/TestingDirTest.java
index 552b0b9..b49f424 100644
--- a/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/TestingDirTest.java
+++ b/jetty-test-helper/src/test/java/org/eclipse/jetty/toolchain/test/TestingDirTest.java
@@ -1,7 +1,9 @@
 package org.eclipse.jetty.toolchain.test;
 
 import static org.hamcrest.CoreMatchers.*;
-import java.io.File;
+
+import java.io.IOException;
+import java.nio.file.Path;
 
 import org.junit.Assert;
 import org.junit.Rule;
@@ -13,11 +15,11 @@
     public TestingDir testingdir = new TestingDir();
 
     @Test
-    public void testGetDir()
+    public void testGetPath() throws IOException
     {
         String expected = OS.separators("/target/tests/");
-        File dir = testingdir.getDir();
-        String fullpath = dir.getAbsolutePath();
+        Path dir = testingdir.getPath();
+        String fullpath = dir.toString();
 
         Assert.assertThat(fullpath,containsString(expected));
     }