math: fix compilation errors

Author: mertcandav

math/fib_test.jule

@@ -1,9 +1,10 @@
 #build test
 
 use std::testing::{T}
+use slices for std::slices
 
 #test
 fn testFib(t: &T) {
     t.Assert(Fib(6) == 8, "index 6 of fib. should be 8")
-    t.Assert(FibSeq(6) == [1, 1, 2, 3, 5, 8], "a fib. sequence up to index 6 should be 1, 1, 2, 3, 5, 8")
+    t.Assert(slices::Equal(FibSeq(6), [1, 1, 2, 3, 5, 8]), "a fib. sequence up to index 6 should be 1, 1, 2, 3, 5, 8")
 }

math/min_test.jule

@@ -3,6 +3,6 @@
 use std::testing::{T}
 
 #test
-fn testMin(mut t: &T) {
+fn testMin(t: &T) {
     t.Assert(Min(0, -9024, 1, 894, -34) == -9024, "min value should be -9024")
 }