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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_3786pqltm6t7n7gplhcjbq26fc, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
svoid test_nameRelativeToPhysicalSubdirectory() {
  File dir = createTempDir();
  File f = touchFile(newFile(dir, "hello"));
  File f2 = touchFile(newFile(dir, "sub/bla"));
  assertEqualsVerbose(null, nameRelativeToPhysicalSubdirectory(dir, dir));
  assertEqualsVerbose("hello", nameRelativeToPhysicalSubdirectory(f, dir));
  assertEqualsVerbose("sub" + fileSep() + "bla", nameRelativeToPhysicalSubdirectory(f, dir));
}