We pass 53-knowhow.t for ages, but forgot to add it here. :-)

t/nqp/53-knowhow.t

@@ -0,0 +1,19 @@
+knowhow Foo {
+    has $!bbq;
+    method new() { nqp::instance_of(self) }
+    method lol() {
+        "yay, methods"
+    }
+    method set_bbq($bbq) { $!bbq := $bbq; }
+    method get_bbq() { $!bbq }
+}
+
+plan(3);
+
+ok(Foo.lol eq "yay, methods", "method calls on knowhow type object");
+
+my $x := Foo.new;
+ok($x.lol eq "yay, methods", "method calls on knowhow instance");
+
+$x.set_bbq("wurst");
+ok($x.get_bbq eq "wurst", "attributes on knowhow instance");