Fix NUnit2050 warnings · nhibernate/nhibernate-core@4781ff6

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L570

no lexer rule corresponding to token: DOT

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L579

no lexer rule corresponding to token: DOT

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L604

no lexer rule corresponding to token: DOT

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L679

no lexer rule corresponding to token: NUM_FLOAT

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L680

no lexer rule corresponding to token: NUM_LONG

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L681

no lexer rule corresponding to token: NUM_DOUBLE

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L682

no lexer rule corresponding to token: NUM_DECIMAL

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L700

no lexer rule corresponding to token: DOT

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L570

no lexer rule corresponding to token: DOT

Build and Test: src/NHibernate/Hql/Ast/ANTLR/Hql.g#L579

no lexer rule corresponding to token: DOT

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