HILFile: a.hil
  ILExpressionHolder
    ILExpressionHolder
      PsiElement(${)('${')
      ILMethodCallExpression
        ILVariable
          PsiElement(ID)('x')
        ILParameterList
          PsiElement(()('(')
          ILLiteral
            PsiElement(DOUBLE_QUOTED_STRING)('"}"')
          PsiElement())(')')
      PsiElement(})('}')
Fix tests: add missing test resource
Fix tests: add missing test resource
