         XCTAssertFalse(brainResult.isPending)
         XCTAssertEqual(brainResult.description, "73")
         
-        // 7 + = --> 14, false, "7 + 7 "
-        brain.clear()
-        brain.setOperand(7)
-        brain.performOperation("+")
-        brain.performOperation("=")
-        brainResult = brain.evaluate()
-        XCTAssertEqual(brainResult.result, 14.0)
-        XCTAssertFalse(brainResult.isPending)
-        XCTAssertEqual(brainResult.description, "7 + 7")
-        
         // 4 x π = --> 12.5663706143592, false, "4 + π "
         brain.clear()
         brain.setOperand(4)

    var variableDict = [String:Double]()
    
    //Tests for Assignment 1
    func testCalculatorBrainBasicOperands(){
        brain.clear()
        // 7 + --> 7, true, "7 + "
        brain.setOperand(7)

        brainResult = brain.evaluate(using: variableDict)
        XCTAssertEqual(brainResult.result, 18.0)
        XCTAssertEqual(7, variableDict["M"])
        XCTAssertEqual(brainResult.description, "√(9 + M) + 14")
    }
    
}
