long now = System.currentTimeMillis();
    public void testWithDefaultConstructorShouldFindStaleSourcesBecauseOfMissingTargetFile()        throws Exception    {        File base = new File( getTestBaseDir(), "test3" );        long now = System.currentTimeMillis();        File sourceFile = new File( base, "file.java" );        writeFile( sourceFile );        SuffixMapping mapping = new SuffixMapping( ".java", ".xml" );        StaleSourceScanner scanner = new StaleSourceScanner();        scanner.addSourceMapping( mapping );        Set result = scanner.getIncludedSources( base, base );        assertEquals( "wrong number of stale sources returned.", 1, result.size() );        assertTrue( "expected stale source file not found in result", result.contains( sourceFile ) );    }