import acm.program.ConsoleProgram;

public class Fibonacci extends ConsoleProgram {
    public void run() {
        int in1 = readInt("Enter a number: ");
        int n1 = 1;
        int n2 = 1;
        int fib = 1;
        while (in1 <= 0) {
            println("Error.");
            break;
        }
        if (in1 == 1) {
            println(in1);
        }

        else {
            for (int loop = 1; loop == in1; loop++) {
                fib = n1 + n2;
                n1 = n2;
                n2 = fib;
            }
            println(fib);
        }

    }
}

1) Test testNumberElve returned:
    java.lang.AssertionError: expected:<89> but was:<1>

2) Test testNumberZero returned:
    java.lang.AssertionError: Error

3) Test testNumberThirtyone returned:
    java.lang.AssertionError: expected:<1346269> but was:<1>