PyFile:PatternMatchingAnnotatedAssignmentLooksLikeIncompleteMatchStatement.py
  PyAssignmentStatement
    PyTargetExpression: match
      PsiElement(Py:IDENTIFIER)('match')
    PyAnnotation
      PsiElement(Py:COLON)(':')
      PsiWhiteSpace(' ')
      PyReferenceExpression: case
        PsiElement(Py:IDENTIFIER)('case')
    PsiWhiteSpace(' ')
    PsiElement(Py:EQ)('=')
    PsiWhiteSpace(' ')
    PyNumericLiteralExpression
      PsiElement(Py:INTEGER_LITERAL)('42')