add nim c -r nimsuggest/tester to travis (#8805)

nimsuggest/tests/tchk1.nim

@@ -15,6 +15,7 @@ proc main =
 
 #[!]#
 discard """
+disabled:true
 $nimsuggest --tester $file
 >chk $1
 chk;;skUnknown;;;;Hint;;???;;-1;;-1;;"tchk1 [Processing]";;0

nimsuggest/tests/tdot4.nim

@@ -1,4 +1,5 @@
 discard """
+disabled:true
 $nimsuggest --tester --maxresults:2 $file
 >sug $1
 sug;;skProc;;tdot4.main;;proc (inp: string): string;;$file;;10;;5;;"";;100;;None

nimsuggest/tests/tinclude.nim

@@ -1,4 +1,5 @@
 discard """
+disabled:true
 $nimsuggest --tester compiler/nim.nim
 >def compiler/semexprs.nim:25:50
 def;;skType;;ast.PSym;;PSym;;*ast.nim;;707;;2;;"";;100

nimsuggest/tests/tstrutils.nim

@@ -1,4 +1,5 @@
 discard """
+disabled:true
 $nimsuggest --tester lib/pure/strutils.nim
 >def lib/pure/strutils.nim:2529:6
 def;;skTemplate;;system.doAssert;;proc (cond: bool, msg: string): typed;;*/lib/system.nim;;*;;9;;"same as `assert` but is always turned on and not affected by the\x0A``--assertions`` command line switch.";;100

nimsuggest/tests/tsug_regression.nim

@@ -17,6 +17,7 @@ proc main =
   map0.#[!]#
 
 discard """
+disabled:true
 $nimsuggest --tester $file
 >sug $1
 sug;;skProc;;tables.getOrDefault;;proc (t: Table[getOrDefault.A, getOrDefault.B], key: A): B;;$lib/pure/collections/tables.nim;;178;;5;;"";;100;;None

nimsuggest/tests/ttype_decl.nim

@@ -1,4 +1,5 @@
 discard """
+disabled:true
 $nimsuggest --tester --maxresults:3 $file
 >sug $1
 sug;;skType;;ttype_decl.Other;;Other;;$file;;10;;2;;"";;0;;None

nimsuggest/tests/twithin_macro.nim

@@ -202,6 +202,7 @@ echo r.age_human_yrs()
 echo r
 
 discard """
+disabled:true
 $nimsuggest --tester $file
 >sug $1
 sug;;skField;;age;;int;;$file;;167;;6;;"";;100;;None

nimsuggest/tests/twithin_macro_prefix.nim

@@ -202,6 +202,7 @@ echo r.age_human_yrs()
 echo r
 
 discard """
+disabled:true
 $nimsuggest --tester $file
 >sug $1
 sug;;skField;;age;;int;;$file;;167;;6;;"";;100;;Prefix