avoid path collisions during filesystem tests

foo and bar are commonly used as 'no name' temp files. testing path
creation on them can conflict with existing files, resulting an
unexpected failure.

t/filesystem/filesystem.t

@@ -51,59 +51,59 @@ is( ref $bin, 'Badger::Filesystem::Directory', '$bin is a directory object' );
 # test Path(), File() and Directory()
 #-----------------------------------------------------------------------
 
-my $rel = File::Spec->catdir('foo', 'bar');
+my $rel = File::Spec->catdir('badger_test_p1', 'badger_test_p2');
 my $abs = File::Spec->rel2abs($rel, File::Spec->rootdir);
-my $path = Path('/foo/bar');
+my $path = Path('/badger_test_p1/badger_test_p2');
 ok( $path, 'created path using constructor sub' );
 is( $path, $abs, 'matched path' );
-is( Path('foo', 'bar'), $rel, 'path with separates' );
+is( Path('badger_test_p1', 'badger_test_p2'), $rel, 'path with separates' );
 
-my $file = File('/foo/bar');
+my $file = File('/badger_test_p1/badger_test_p2');
 is( $file, $abs, 'absolute file' );
-is( File('foo', 'bar'), $rel, 'relative file with separates' );
+is( File('badger_test_p1', 'badger_test_p2'), $rel, 'relative file with separates' );
 
-my $dir = Dir('/foo/bar');
+my $dir = Dir('/badger_test_p1/badger_test_p2');
 ok( $dir, 'created dir using constructor sub' );
 is( $dir, $abs, 'absolute dir' );
-is( Dir('foo', 'bar'),  $rel, 'relative dir with separates' );
+is( Dir('badger_test_p1', 'badger_test_p2'),  $rel, 'relative dir with separates' );
 
-$dir = Directory('/foo/bar');
+$dir = Directory('/badger_test_p1/badger_test_p2');
 ok( $dir, 'created directory using constructor sub' );
 is( $dir, $abs, 'absolute directory' );
-is( Directory('foo', 'bar'), $rel, 'relative directory with separates' );
+is( Directory('badger_test_p1', 'badger_test_p2'), $rel, 'relative directory with separates' );
 
 
 #-----------------------------------------------------------------------
 # should also work without arguments as class name providers
 #-----------------------------------------------------------------------
 
-$path = Path->new('/foo/bar');
+$path = Path->new('/badger_test_p1/badger_test_p2');
 ok( $path, 'created path using constructor class' );
 
-$file = File->new('/foo/bar');
+$file = File->new('/badger_test_p1/badger_test_p2');
 ok( $file, 'created file using constructor class' );
 
-$dir = Dir->new('/foo/bar');
+$dir = Dir->new('/badger_test_p1/badger_test_p2');
 ok( $dir, 'created dir using constructor class' );
 
-$dir = Directory->new('/foo/bar');
+$dir = Directory->new('/badger_test_p1/badger_test_p2');
 ok( $dir, 'created directory using constructor class' );
 
 
 #-----------------------------------------------------------------------
 # and also via the FS alias for Badger::Filesystem
 #-----------------------------------------------------------------------
 
-$path = FS->path('/foo/bar');
+$path = FS->path('/badger_test_p1/badger_test_p2');
 ok( $path, 'created path using FS class' );
 
-$file = FS->file('/foo/bar');
+$file = FS->file('/badger_test_p1/badger_test_p2');
 ok( $file, 'created file using FS class' );
 
-$dir = FS->dir('/foo/bar');
+$dir = FS->dir('/badger_test_p1/badger_test_p2');
 ok( $dir, 'created dir using FS class' );
 
-$dir = FS->directory->new('/foo/bar');
+$dir = FS->directory->new('/badger_test_p1/badger_test_p2');
 ok( $dir, 'created directory using FS class' );
 
 
@@ -114,7 +114,7 @@ ok( $dir, 'created directory using FS class' );
 my $tmp = FS->temp_directory;
 ok( $tmp, "got temp_directory() $tmp" );
 
-$tmp = FS->temp_directory('foo', 'bar');
+$tmp = FS->temp_directory('badger_test_p1', 'badger_test_p2');
 ok( $tmp, "got temp_directory() $tmp" );
 $tmp = $tmp->file('badger_test1.tmp');
 ok( $tmp->write("Hello World\n"), "wrote text to $tmp" );
@@ -139,9 +139,9 @@ ok( VFS->VERSION, 'VFS version is ' . VFS->VERSION );
 #-----------------------------------------------------------------------
 
 my $root = FS->root;
-my $sub = $root->dir('foo', 'bar');
+my $sub = $root->dir('badger_test_p1', 'badger_test_p2');
 is( $root, File::Spec->rootdir, 'root dir' );
-is( $sub, File::Spec->catfile('', 'foo', 'bar'), 'root dir relative' );
+is( $sub, File::Spec->catfile('', 'badger_test_p1', 'badger_test_p2'), 'root dir relative' );
 
 
 #-----------------------------------------------------------------------