Introduced ParserInput

tests/evaluators/test_LexerNodeEvaluator.py

@@ -3,6 +3,7 @@ import ast
 import pytest
 from core.builtin_concepts import ReturnValueConcept, ParserResultConcept, BuiltinConcepts
 from core.concept import Concept, ConceptParts, DoNotResolve
+from core.sheerka.services.SheerkaExecute import ParserInput
 from evaluators.LexerNodeEvaluator import LexerNodeEvaluator
 from parsers.BaseNodeParser import SourceCodeNode
 from parsers.BnfNodeParser import ConceptNode, BnfNodeParser, UnrecognizedTokensNode
@@ -17,7 +18,7 @@ class TestLexerNodeEvaluator(TestUsingMemoryBasedSheerka):
         parser = BnfNodeParser()
         parser.init_from_concepts(context, concepts)
 
-        ret_val = parser.parse(context, expression)
+        ret_val = parser.parse(context, ParserInput(expression))
         assert ret_val.status
         return ret_val