3 files changed, 9 insertions, 9 deletions
diff --git a/lib/debugger/test/bs_match_tail_SUITE.erl b/lib/debugger/test/bs_match_tail_SUITE.erl
index 961ccbb599..9f7519cf3a 100644
--- a/lib/debugger/test/bs_match_tail_SUITE.erl
+++ b/lib/debugger/test/bs_match_tail_SUITE.erl
@@ -64,7 +64,7 @@ end_per_suite(Config) when is_list(Config) ->
     ok.
 
 aligned(doc) -> "Test aligned tails.";
-aligned(Config) when list(Config) ->
+aligned(Config) when is_list(Config) ->
     ?line Tail1 = mkbin([]),
     ?line {258,Tail1} = al_get_tail_used(mkbin([1,2])),
     ?line Tail2 = mkbin(lists:seq(1, 127)),
@@ -84,10 +84,10 @@ aligned(Config) when list(Config) ->
     ok.
 
 al_get_tail_used(<<A:16,T/binary>>) -> {A,T}.
-al_get_tail_unused(<<A:16,_T/binary>>) -> A.
+al_get_tail_unused(<<A:16,_/binary>>) -> A.
 
 unaligned(doc) -> "Test that an non-aligned tail cannot be matched out.";
-unaligned(Config) when list(Config) ->
+unaligned(Config) when is_list(Config) ->
     ?line {'EXIT',{function_clause,_}} = (catch get_tail_used(mkbin([42]))),
     ?line {'EXIT',{{badmatch,_},_}} = (catch get_dyn_tail_used(mkbin([137]), 3)),
     ?line {'EXIT',{function_clause,_}} = (catch get_tail_unused(mkbin([42,33]))),
@@ -103,11 +103,11 @@ get_dyn_tail_used(Bin, Sz) ->
     {A,T}.
 
 get_dyn_tail_unused(Bin, Sz) ->
-    <<A:Sz,_T/binary>> = Bin,
+    <<A:Sz,_/binary>> = Bin,
     A.
 
 zero_tail(doc) -> "Test that zero tails are tested correctly.";
-zero_tail(Config) when list(Config) ->
+zero_tail(Config) when is_list(Config) ->
     ?line 7 = (catch test_zero_tail(mkbin([7]))),
     ?line {'EXIT',{function_clause,_}} = (catch test_zero_tail(mkbin([1,2]))),
     ?line {'EXIT',{function_clause,_}} = (catch test_zero_tail2(mkbin([1,2,3]))),
@@ -117,4 +117,4 @@ test_zero_tail(<<A:8>>) -> A.
 
 test_zero_tail2(<<_A:4,_B:4>>) -> ok.
 
-mkbin(L) when list(L) -> list_to_binary(L).
+mkbin(L) when is_list(L) -> list_to_binary(L).
diff --git a/lib/debugger/test/bug_SUITE.erl b/lib/debugger/test/bug_SUITE.erl
index a831897dfb..1a7e876329 100644
--- a/lib/debugger/test/bug_SUITE.erl
+++ b/lib/debugger/test/bug_SUITE.erl
@@ -51,7 +51,7 @@ end_per_group(_GroupName, Config) ->
 
 otp2163(doc) -> ["BIF exit reason"];
 otp2163(suite) -> [];
-otp2163(Config) when list(Config) ->
+otp2163(Config) when is_list(Config) ->
     ?line DataDir = ?config(data_dir, Config),
 
     %% First compile and get the expected results:
@@ -74,7 +74,7 @@ otp2163(Config) when list(Config) ->
 
 otp4845(doc) -> ["BIF not loading and not bug compatible, OTP-4845 OTP-4859"];
 otp4845(suite) -> [];
-otp4845(Config) when list(Config) ->
+otp4845(Config) when is_list(Config) ->
     ?line DataDir = ?config(data_dir, Config),
 
     %% First compile and get the expected results:
diff --git a/lib/debugger/test/test_lib.erl b/lib/debugger/test/test_lib.erl
index 541375e64a..5e4ac7f164 100644
--- a/lib/debugger/test/test_lib.erl
+++ b/lib/debugger/test/test_lib.erl
@@ -22,7 +22,7 @@
 
 -export([interpret/1]).
 
-interpret(Mod) when atom(Mod) ->
+interpret(Mod) when is_atom(Mod) ->
     case lists:member(Mod, int:interpreted()) of
 	true -> ok;
 	false -> {module,Mod} = i:ii(Mod)