PyFile:FStringEscapeInFormatPartOfRawLiteral.py
  PyAssignmentStatement
    PyTargetExpression: s
      PsiElement(Py:IDENTIFIER)('s')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyStringLiteralExpression: {x:\n}
      PyFormattedStringElement
        PsiElement(Py:FSTRING_START)('fr'')
        PyFStringFragment
          PsiElement(Py:FSTRING_FRAGMENT_START)('{')
          PyReferenceExpression: x
            PsiElement(Py:IDENTIFIER)('x')
          PyFStringFragmentFormatPart
            PsiElement(Py:FSTRING_FRAGMENT_FORMAT_START)(':')
            PsiElement(Py:FSTRING_RAW_TEXT)('\n')
          PsiElement(Py:FSTRING_FRAGMENT_END)('}')
        PsiElement(Py:FSTRING_END)(''')