got rid of 'accept' dir in the tests

tests/run/tvariantasgn.nim

@@ -0,0 +1,30 @@
+discard """
+  file: "tvariantasgn.nim"
+  output: "came here"
+"""
+#BUG
+type
+  TAnyKind = enum
+    nkInt,
+    nkFloat,
+    nkString
+  TAny = object
+    case kind: TAnyKind
+    of nkInt: intVal: int
+    of nkFloat: floatVal: float
+    of nkString: strVal: string
+
+var s: TAny
+s.kind = nkString
+s.strVal = "test"
+
+var nr: TAny
+nr.kind = nkint
+nr.intVal = 78
+
+
+# s = nr # works
+nr = s # fails!
+echo "came here"
+
+