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Nick MilsnerNick Milsner 

System.AssertException: Assertion Failed: Expected: false, Actual: true

Has anyone ran across this error when validating their components? SFDCAccessControllerTest is managed by Pardot... System.AssertException: Assertion Failed: Expected: false, Actual: true
Stack Trace: Class.SFDCAccessControllerTest.testAccessControl: line 53, column 1 
Soyab HussainSoyab Hussain
Hi Nick Milsner,
Please give me the code so I can help you.
Devi ChandrikaDevi Chandrika (Salesforce Developers) 
Hi nick,

From System Class Apex documentation:
System.assert(): Asserts that the specified condition is true. If it is not, a fatal error is returned that causes code execution to halt.
System.assertEquals(): Asserts that the first two arguments are the same. If they are not, a fatal error is returned that causes code execution to halt

It is a best practice to use proper assertions in your test class.When developing a Test class in Salesforce, system.assert  is used to verify assumptions against apex classes.If the specified condition in assert is false it throws this error.Usually you get this exception when failed to write proper assertions or this may also cause when your logic is not giving expected result.

Hope this helps you.
Kindly Mark this as solved so that it may help others in future.

Thanks and Regards