require errormsg to be specified before file.

tests/pragmas/t6448.nim

@@ -1,6 +1,6 @@
 discard """
-  line: 9
   errormsg: '''ambiguous call; both foobar.async'''
+  line: 9
 """
 
 import foobar
@@ -9,7 +9,7 @@ import asyncdispatch, macros
 proc bar() {.async.} =
   echo 42
 
-proc foo() {.async.} = 
+proc foo() {.async.} =
   await bar()
 
 asyncCheck foo()

tests/pragmas/t8741.nim

@@ -1,6 +1,6 @@
 discard """
-  line: 9
   errormsg: "cannot attach a custom pragma to 'a'"
+  line: 9
 """
 
 for a {.gensym, inject.} in @[1,2,3]:

tests/pragmas/tuserpragma2.nim

@@ -1,7 +1,7 @@
 discard """
+  errormsg: "can raise an unlisted exception: ref Exception"
   file: "tuserpragma2.nim"
   line: 11
-  errormsg: "can raise an unlisted exception: ref Exception"
 """
 
 # bug #7216