ClassicAssert.False
ClassicAssert.False and ClassicAssert.IsFalse test that the specified condition is false. The two forms are provided for compatibility with past versions of NUnit and NUnitLite.
ClassicAssert.False(bool condition);
ClassicAssert.False(bool condition, string message, params object[] params);
ClassicAssert.IsFalse(bool condition);
ClassicAssert.IsFalse(bool condition, string message, params object[] params);