move some behavior tests to the "passing for stage2" section

test/behavior/basic.zig

@@ -18,3 +18,68 @@ test "truncate" {
 fn testTruncate(x: u32) u8 {
     return @truncate(u8, x);
 }
+
+const g1: i32 = 1233 + 1;
+var g2: i32 = 0;
+
+test "global variables" {
+    try expect(g2 == 0);
+    g2 = g1;
+    try expect(g2 == 1234);
+}
+
+test "comptime keyword on expressions" {
+    const x: i32 = comptime x: {
+        break :x 1 + 2 + 3;
+    };
+    try expect(x == comptime 6);
+}
+
+test "type equality" {
+    try expect(*const u8 != *u8);
+}
+
+test "pointer dereferencing" {
+    var x = @as(i32, 3);
+    const y = &x;
+
+    y.* += 1;
+
+    try expect(x == 4);
+    try expect(y.* == 4);
+}
+
+test "const expression eval handling of variables" {
+    var x = true;
+    while (x) {
+        x = false;
+    }
+}
+
+test "character literals" {
+    try expect('\'' == single_quote);
+}
+const single_quote = '\'';
+
+test "non const ptr to aliased type" {
+    const int = i32;
+    try expect(?*int == ?*i32);
+}
+
+test "cold function" {
+    thisIsAColdFn();
+    comptime thisIsAColdFn();
+}
+
+fn thisIsAColdFn() void {
+    @setCold(true);
+}
+
+test "unicode escape in character literal" {
+    var a: u24 = '\u{01f4a9}';
+    try expect(a == 128169);
+}
+
+test "unicode character in character literal" {
+    try expect('💩' == 128169);
+}