properr names for scripts

compiler/testData/codegen/script/fib.lang.kt

@@ -1,4 +1,4 @@
-// this script expected parameter num : Int
+// this script expects parameter num : Int
 
 fun fib(n: Int): Int {
     val v = if(n < 2) 1 else fib(n-1) + fib(n-2)

compiler/testData/codegen/script/fibWithpackage.lang.kt

@@ -0,0 +1,10 @@
+package test
+
+// this script expected parameter num : Int
+
+fun fib(n: Int): Int {
+    val v = if(n < 2) 1 else fib(n-1) + fib(n-2)
+    return v
+}
+
+val result = fib(num)