--- a/testsuite/gdb.trace/disconnected-tracing.exp
+++ b/testsuite/gdb.trace/disconnected-tracing.exp
@@ -65,6 +65,8 @@ proc disconnected_tracing {  } {
 	    "collect foo" "^$"
 	gdb_test "break end" "Breakpoint ${decimal} at .*"
 
+	gdb_test_no_output "set default-collect \$regs"
+
 	gdb_test_no_output "tstart"
 
 	gdb_test "continue" "Continuing\\.\[ \r\n\]+Breakpoint.*"
@@ -73,6 +75,8 @@ proc disconnected_tracing {  } {
 	gdb_test "info tracepoints" ".*in start at.*" \
 	    "first info tracepoints"
 
+	gdb_test_no_output "set default-collect"
+
 	gdb_test "disconnect" "Ending remote debugging\\." "first disconnect"
 	if { [gdb_reconnect] == 0 } {
 	    pass "first reconnect after unload"
@@ -83,6 +87,8 @@ proc disconnected_tracing {  } {
 	gdb_test "info tracepoints" ".*in start at.*" \
 	    "second info tracepoints"
 
+	gdb_test "show default-collect" "The list of expressions to collect by default is \"\\\$regs\".*"
+
 	delete_breakpoints
 	gdb_test "info tracepoints" ".*No tracepoints..*" \
 	    "third info tracepoints"
--- a/testsuite/gdb.trace/tstatus.exp
+++ b/testsuite/gdb.trace/tstatus.exp
@@ -137,6 +137,8 @@ proc test_tracepoints {} {
 
 test_tracepoints
 
+gdb_test_no_output "set default-collect \$regs"
+
 set tracefile [standard_output_file ${testfile}]
 # Save trace frames to tfile.
 gdb_test "tsave ${tracefile}.tf" \
@@ -147,6 +149,8 @@ gdb_test "tsave -ctf ${tracefile}.ctf" \
     "Trace data saved to directory '${tracefile}.ctf'.*" \
     "save ctf trace file"
 
+gdb_test_no_output "set default-collect"
+
 # Change target to tfile.
 set test "change to tfile target"
 gdb_test_multiple "target tfile ${tracefile}.tf" "$test" {
@@ -159,6 +163,8 @@ gdb_test_multiple "target tfile ${tracef
     }
 }
 
+gdb_test "show default-collect" "The list of expressions to collect by default is \"\\\$regs\".*"
+
 # Convert "(because I can) to "\(because I can\)"
 set tstatus_output [string map {\( \\(} $tstatus_output]
 set tstatus_output [string map {\) \\)} $tstatus_output]