I want to write a test case where x is $4$ and y is $4$ and the expected result should be $2^(**)$x$+$y$.$ Suppose I already have the import statement. What would the assert statement look like using pytest to do this $($assuming we compare the actual and expected in just one line$)?$def test$\_$calculateEqualNumbers$($self$)$:$"""$Check to see if output is correct where x is equal to y $""$ "type your answer...