Modernize use of timetraps

Either rely on the default 30 minutes timetrap, or set the timeout
using the supported methods in common_test.

21 files changed, 110 insertions, 147 deletions

diff --git a/lib/debugger/test/andor_SUITE.erl b/lib/debugger/test/andor_SUITE.erl
index f776451865..d8f452f698 100644
--- a/lib/debugger/test/andor_SUITE.erl
+++ b/lib/debugger/test/andor_SUITE.erl
@@ -29,7 +29,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     cases().
@@ -46,12 +48,9 @@ end_per_group(_GroupName, Config) ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    ?line Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/bs_bincomp_SUITE.erl b/lib/debugger/test/bs_bincomp_SUITE.erl
index 269b59909b..e0815e3970 100644
--- a/lib/debugger/test/bs_bincomp_SUITE.erl
+++ b/lib/debugger/test/bs_bincomp_SUITE.erl
@@ -34,15 +34,14 @@
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [byte_aligned, bit_aligned, extended_byte_aligned,
diff --git a/lib/debugger/test/bs_construct_SUITE.erl b/lib/debugger/test/bs_construct_SUITE.erl
index bd604929c0..bd940e43e1 100644
--- a/lib/debugger/test/bs_construct_SUITE.erl
+++ b/lib/debugger/test/bs_construct_SUITE.erl
@@ -38,7 +38,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,15}}].
 
 all() -> 
     [test1, test2, test3, test4, test5, testf, not_used,
@@ -57,12 +59,9 @@ end_per_group(_GroupName, Config) ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(15)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/bs_match_bin_SUITE.erl b/lib/debugger/test/bs_match_bin_SUITE.erl
index f805df61c0..e9ba2453d5 100644
--- a/lib/debugger/test/bs_match_bin_SUITE.erl
+++ b/lib/debugger/test/bs_match_bin_SUITE.erl
@@ -29,7 +29,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [byte_split_binary, bit_split_binary, match_huge_bin].
@@ -45,12 +47,9 @@ end_per_group(_GroupName, Config) ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/bs_match_int_SUITE.erl b/lib/debugger/test/bs_match_int_SUITE.erl
index 9d2490eea2..c66b6c99cc 100644
--- a/lib/debugger/test/bs_match_int_SUITE.erl
+++ b/lib/debugger/test/bs_match_int_SUITE.erl
@@ -30,7 +30,9 @@
 
 -import(lists, [seq/2]).
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,4}}].
 
 all() -> 
     [integer, signed_integer, dynamic, more_dynamic, mml,
@@ -47,12 +49,9 @@ end_per_group(_GroupName, Config) ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(4)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/bs_match_misc_SUITE.erl b/lib/debugger/test/bs_match_misc_SUITE.erl
index ff636383be..67847ff260 100644
--- a/lib/debugger/test/bs_match_misc_SUITE.erl
+++ b/lib/debugger/test/bs_match_misc_SUITE.erl
@@ -31,7 +31,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,15}}].
 
 all() -> 
     [bound_var, bound_tail, t_float, little_float, sean,
@@ -58,12 +60,9 @@ end_per_suite(Config) when is_list(Config) ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(15)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 bound_var(doc) -> "Test matching of bound variables.";
diff --git a/lib/debugger/test/bs_match_tail_SUITE.erl b/lib/debugger/test/bs_match_tail_SUITE.erl
index cf36f41840..bc4446dd02 100644
--- a/lib/debugger/test/bs_match_tail_SUITE.erl
+++ b/lib/debugger/test/bs_match_tail_SUITE.erl
@@ -28,7 +28,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     cases().
@@ -48,12 +50,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/bs_utf_SUITE.erl b/lib/debugger/test/bs_utf_SUITE.erl
index 12ab2c8ac6..3e4b4465cb 100644
--- a/lib/debugger/test/bs_utf_SUITE.erl
+++ b/lib/debugger/test/bs_utf_SUITE.erl
@@ -31,7 +31,9 @@
 -include_lib("common_test/include/ct.hrl").
 -compile([no_jopt,time]).
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     cases().
@@ -52,12 +54,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/bug_SUITE.erl b/lib/debugger/test/bug_SUITE.erl
index eeb94f5992..10c8b4467a 100644
--- a/lib/debugger/test/bug_SUITE.erl
+++ b/lib/debugger/test/bug_SUITE.erl
@@ -28,7 +28,9 @@
 
 -export([otp2163/1, otp4845/1]).
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [{group, ticket_tests}].
diff --git a/lib/debugger/test/dbg_ui_SUITE.erl b/lib/debugger/test/dbg_ui_SUITE.erl
index da0aa34afa..00bf85c378 100644
--- a/lib/debugger/test/dbg_ui_SUITE.erl
+++ b/lib/debugger/test/dbg_ui_SUITE.erl
@@ -44,15 +44,14 @@
 -export([init_per_testcase/2, end_per_testcase/2]).
 
 init_per_testcase(_Func, Config) ->
-    Dog=test_server:timetrap(60*1000),
-    [{watchdog, Dog}|Config].
-
-end_per_testcase(_Func, Config) ->
-    Dog=?config(watchdog, Config),
-    test_server:timetrap_cancel(Dog).
+    Config.
 
+end_per_testcase(_Func, _Config) ->
+    ok.
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [dbg_ui, {group, manual_tests}].
diff --git a/lib/debugger/test/debugger_SUITE.erl b/lib/debugger/test/debugger_SUITE.erl
index 66d1b04f5c..6ffa5f7ef4 100644
--- a/lib/debugger/test/debugger_SUITE.erl
+++ b/lib/debugger/test/debugger_SUITE.erl
@@ -31,7 +31,9 @@
 	 app_test/1,appup_test/1,erts_debug/1,encrypted_debug_info/1,
 	 no_abstract_code/1]).
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [app_test, appup_test, erts_debug, no_abstract_code,
@@ -54,11 +56,9 @@ end_per_group(_GroupName, Config) ->
 
 
 init_per_testcase(_Case, Config) ->
-    Dog=test_server:timetrap(?t:minutes(0.5)),
-    [{watchdog, Dog}|Config].
-end_per_testcase(_Case, Config) ->
-    Dog=?config(watchdog, Config),
-    test_server:timetrap_cancel(Dog),
+    Config.
+
+end_per_testcase(_Case, _Config) ->
     ok.
 
 app_test(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/erl_eval_SUITE.erl b/lib/debugger/test/erl_eval_SUITE.erl
index ab1a465085..e1f35cfa4e 100644
--- a/lib/debugger/test/erl_eval_SUITE.erl
+++ b/lib/debugger/test/erl_eval_SUITE.erl
@@ -19,6 +19,7 @@
 
 -module(erl_eval_SUITE).
 -export([all/0, suite/0,groups/0,init_per_suite/1, end_per_suite/1, 
+	 init_per_testcase/2, end_per_testcase/2,
 	 init_per_group/2,end_per_group/2]).
 
 -export([guard_1/1, guard_2/1,
@@ -43,38 +44,23 @@
 	 eval_expr_5/1,
          eep37/1]).
 
-%%
-%% Define to run outside of test server
-%%
-%%-define(STANDALONE,1).
+-include_lib("common_test/include/ct.hrl").
 
 -import(lists,[concat/1, sort/1]).
 
 -export([count_down/2, count_down_fun/0, do_apply/2,
          local_func/3, local_func_value/2]).
 
--ifdef(STANDALONE).
--define(config(A,B),config(A,B)).
--export([config/2]).
--define(line, noop, ).
-config(priv_dir,_) ->
-    ".".
--else.
--include_lib("common_test/include/ct.hrl").
--export([init_per_testcase/2, end_per_testcase/2]).
-% Default timetrap timeout (set in init_per_testcase).
--define(default_timeout, ?t:minutes(1)).
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    ?line Dog = ?t:timetrap(?default_timeout),
-    [{watchdog, Dog} | Config].
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    test_server:timetrap_cancel(Dog),
+    Config.
+
+end_per_testcase(_Case, _Config) ->
     ok.
--endif.
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [guard_1, guard_2, match_pattern, string_plusplus,
diff --git a/lib/debugger/test/exception_SUITE.erl b/lib/debugger/test/exception_SUITE.erl
index f698dd317b..9ae2730a61 100644
--- a/lib/debugger/test/exception_SUITE.erl
+++ b/lib/debugger/test/exception_SUITE.erl
@@ -30,13 +30,13 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 %% Filler.
 %%
 %%
-%%
-%%
 %% This is line 40.
 even(N) when is_integer(N), N > 1, (N rem 2) == 0 ->
     odd(N-1)++[N].
@@ -68,12 +68,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/fun_SUITE.erl b/lib/debugger/test/fun_SUITE.erl
index 176f1d4d41..00a268e1ba 100644
--- a/lib/debugger/test/fun_SUITE.erl
+++ b/lib/debugger/test/fun_SUITE.erl
@@ -32,7 +32,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     cases().
@@ -53,12 +55,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/guard_SUITE.erl b/lib/debugger/test/guard_SUITE.erl
index 5c184c46d5..85c0eb613b 100644
--- a/lib/debugger/test/guard_SUITE.erl
+++ b/lib/debugger/test/guard_SUITE.erl
@@ -44,7 +44,9 @@
 -export([init/4]).
 -import(lists, [member/2]).
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     cases().
@@ -72,12 +74,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    ?line Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/int_SUITE.erl b/lib/debugger/test/int_SUITE.erl
index 31257d16e9..4601e516b2 100644
--- a/lib/debugger/test/int_SUITE.erl
+++ b/lib/debugger/test/int_SUITE.erl
@@ -31,12 +31,8 @@
 -export([interpret/1, guards/1, interpretable/1]).
 -export([ append_1/1, append_2/1, member/1, reverse/1]).
 
-%% Default timetrap timeout (set in init_per_testcase)
--define(default_timeout, ?t:minutes(1)).
-
 init_per_testcase(interpretable, Config) ->
-    ?line Dog=test_server:timetrap(?default_timeout),
-    [{watchdog, Dog}|Config];
+    Config;
 init_per_testcase(_Case, Config) ->
 
     %% Interpret some existing and non-existing modules
@@ -44,12 +40,9 @@ init_per_testcase(_Case, Config) ->
     ?line {module, lists1} = int:i(filename:join([DataDir,lists1])),
     ?line {module, guards} = int:i(filename:join([DataDir,guards])),
 
-    ?line Dog=test_server:timetrap(?default_timeout),
-    [{watchdog, Dog}|Config].
+    Config.
 
-end_per_testcase(interpretable, Config) ->
-    ?line Dog=?config(watchdog, Config),
-    ?line test_server:timetrap_cancel(Dog),
+end_per_testcase(interpretable, _Config) ->
     ok;
 end_per_testcase(_Case, Config) ->
 
@@ -57,11 +50,11 @@ end_per_testcase(_Case, Config) ->
     ?line ok = int:n(lists1),
     ?line ok = int:n(guards),
 
-    ?line Dog=?config(watchdog, Config),
-    ?line test_server:timetrap_cancel(Dog),
     ?line ok.
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [interpret, guards, {group, list_suite}, interpretable].
diff --git a/lib/debugger/test/int_break_SUITE.erl b/lib/debugger/test/int_break_SUITE.erl
index 5362479897..d50dc7d0eb 100644
--- a/lib/debugger/test/int_break_SUITE.erl
+++ b/lib/debugger/test/int_break_SUITE.erl
@@ -31,7 +31,9 @@
 
 -export([auto_attach/1]).
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [basic, cleanup].
@@ -57,13 +59,10 @@ init_per_testcase(_Case, Config) ->
     ?line Mod = ordsets1,
     ?line {module,Mod} = int:i(filename:join(DataDir, Mod)),
     ?line ok = io:format("Interpreted modules: ~p", [int:interpreted()]),
-    ?line Dog = test_server:timetrap(?t:minutes(0.5)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
+end_per_testcase(_Case, _Config) ->
     ?line ok = io:format("Interpreted modules: ~p", [int:interpreted()]),
-    ?line Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
     ok.
 
 basic(doc) -> "Tests setting a few break points.";
diff --git a/lib/debugger/test/lc_SUITE.erl b/lib/debugger/test/lc_SUITE.erl
index c88486c056..8f4fe4d234 100644
--- a/lib/debugger/test/lc_SUITE.erl
+++ b/lib/debugger/test/lc_SUITE.erl
@@ -30,7 +30,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     [basic, deeply_nested, no_generator, empty_generator].
@@ -46,12 +48,9 @@ end_per_group(_GroupName, Config) ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/line_number_SUITE.erl b/lib/debugger/test/line_number_SUITE.erl
index f1a1988104..ccbce2decb 100644
--- a/lib/debugger/test/line_number_SUITE.erl
+++ b/lib/debugger/test/line_number_SUITE.erl
@@ -28,7 +28,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() ->
     cases().
@@ -47,12 +49,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
@@ -66,6 +65,7 @@ end_per_suite(Config) when is_list(Config) ->
 
 
 
+
 %%
 %% === Make sure that this is always line 70 ===
 %%
diff --git a/lib/debugger/test/record_SUITE.erl b/lib/debugger/test/record_SUITE.erl
index b1d9bece58..8e01630e10 100644
--- a/lib/debugger/test/record_SUITE.erl
+++ b/lib/debugger/test/record_SUITE.erl
@@ -30,7 +30,9 @@
 	 init_per_suite/1,end_per_suite/1,
 	 errors/1,record_test/1,eval_once/1]).
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     cases().
@@ -50,12 +52,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->
diff --git a/lib/debugger/test/trycatch_SUITE.erl b/lib/debugger/test/trycatch_SUITE.erl
index f5e0f62cf0..fe9868aafb 100644
--- a/lib/debugger/test/trycatch_SUITE.erl
+++ b/lib/debugger/test/trycatch_SUITE.erl
@@ -30,7 +30,9 @@
 
 -include_lib("common_test/include/ct.hrl").
 
-suite() -> [{ct_hooks,[ts_install_cth]}].
+suite() ->
+    [{ct_hooks,[ts_install_cth]},
+     {timetrap,{minutes,1}}].
 
 all() -> 
     cases().
@@ -52,12 +54,9 @@ cases() ->
 
 init_per_testcase(_Case, Config) ->
     test_lib:interpret(?MODULE),
-    Dog = test_server:timetrap(?t:minutes(1)),
-    [{watchdog,Dog}|Config].
+    Config.
 
-end_per_testcase(_Case, Config) ->
-    Dog = ?config(watchdog, Config),
-    ?t:timetrap_cancel(Dog),
+end_per_testcase(_Case, _Config) ->
     ok.
 
 init_per_suite(Config) when is_list(Config) ->