Merge pull request #30 from juliovcruz/master

Add tests to Fibonacci function

numerical/fibonacci_test.go

@@ -0,0 +1,19 @@
+package numerical
+
+import "testing"
+
+func TestFibonacci(t *testing.T) {
+
+	if fibo(10) != 55 {
+		t.Error("[Error] Fibonacci(10) is wrong")
+	}
+
+	if fibo(0) != 0 {
+		t.Error("[Error] Fibonacci(0) is wrong")
+	}
+
+	if fibo(3) != 2 {
+		t.Error("[Error] Fibonacci(3) is wrong")
+	}
+
+}