make tests green again

tests/effects/teffects3.nim

@@ -11,7 +11,7 @@ type
 
   EIO2 = ref object of EIO
 
-proc raiser(): int {.tags: [TObj, FWriteIO].} =
+proc raiser(): int {.tags: [TObj, WriteIoEffect].} =
   writeLine stdout, "arg"
 
 var o: TObjB

tests/effects/teffects4.nim

@@ -7,11 +7,11 @@ type
   TObj = object {.pure, inheritable.}
   TObjB = object of TObj
     a, b, c: string
-    fn: proc (): int {.tags: [FReadIO].}
+    fn: proc (): int {.tags: [ReadIOEffect].}
 
   EIO2 = ref object of EIO
 
-proc q() {.tags: [FIO].} =
+proc q() {.tags: [IoEffect].} =
   discard
 
 proc raiser(): int =

tests/effects/teffects6.nim

@@ -11,7 +11,7 @@ createMenuItem(s, "Go to definition...",
       proc (i: PMenuItem, p: pointer) {.cdecl.} =
         try:
           echo(i.repr)
-        except EInvalidValue:
+        except ValueError:
           echo("blah")
 )