diff --git a/testsuite/expect/test3.11 b/testsuite/expect/test3.11
index 1ff0d1f0ce2b03418a62f2ba04868a8b07476b8f..a51336dcc8dbc0f4ec0aecff3fa40809b15953a1 100755
--- a/testsuite/expect/test3.11
+++ b/testsuite/expect/test3.11
@@ -37,6 +37,7 @@ set test_id       "3.11"
 set file_in       "test$test_id.input"
 set exit_code     0
 set res_name      ""
+set res_name_save ""
 set user_name     ""
 set def_partition ""
 set def_node      ""
@@ -75,15 +76,7 @@ proc create_res { res_params failure_expected } {
 			set ret_code 1
 			exp_continue
 		}
-		-re "Error" {
-			if {!$failure_expected} {
-				send_user "\nFAILURE: problem creating "
-				send_user "reservation with args: $res_params\n"
-			}
-			set ret_code 1
-			exp_continue
-		}
-		-re "error" {
+		-nocase "Error" {
 			if {!$failure_expected} {
 				send_user "\nFAILURE: problem creating "
 				send_user "reservation with args: $res_params\n"
@@ -330,7 +323,7 @@ foreach test $goodtests {
 	}
 }
 
-
+spawn $scontrol show res
 #
 # TEST 2
 # Create a reservation and update it in various ways
@@ -517,6 +510,92 @@ if {$user_name != "root"} {
 	}
 }
 
+#
+# TEST 5
+# Test node reservation conflict
+#
+
+# Make the reservation
+set ret_code [create_res "StartTime=now+60minutes Duration=60 Nodes=ALL user=$user_name" 0]
+if {$ret_code != 0} {
+	send_user "\nFAILURE: Unable to create a valid reservation\n"
+	exit $ret_code
+}
+
+set res_name_save $res_name
+
+# Test for node reservation conflict
+set ret_code [create_res "StartTime=now+60minutes Duration=60 NodeCnt=1 user=$user_name" 1]
+if {$ret_code == 0} {
+        send_user "\nFAILURE: Reservation $test did not fail but should have\n"
+        delete_res $res_name
+        exit 1
+} else {
+        send_user "Expected error.  You can turn that frown upside-down.\n"
+}
+
+# Delete the reservation
+set ret_code [delete_res $res_name_save]
+if {$ret_code != 0} {
+        exit $ret_code
+}
+
+#
+# TEST 6
+# Test time reservation conflict
+#
+
+# Make the reservation
+set ret_code [create_res "StartTime=now+60minutes Duration=60 Nodes=ALL user=$user_name" 0]
+if {$ret_code != 0} {
+	send_user "\nFAILURE: Unable to create a valid reservation\n"
+	exit $ret_code
+}
+
+set res_name_save $res_name
+
+# Test for time reservation conflict (front overlap)
+set ret_code [create_res "StartTime=now+30minutes Duration=60 Nodes=ALL user=$user_name" 1]
+if {$ret_code == 0} {
+        send_user "\nFAILURE: Reservation $test did not fail but should have\n"
+        delete_res $res_name
+        exit 1
+} else {
+        send_user "Expected error.  You can turn that frown upside-down.\n"
+}
+
+# Delete the reservation
+set ret_code [delete_res $res_name_save]
+if {$ret_code != 0} {
+        exit $ret_code
+}
+
+
+# Make the reservation
+set ret_code [create_res "StartTime=now+30minutes Duration=60 Nodes=ALL user=$user_name" 0]
+if {$ret_code != 0} {
+	send_user "\nFAILURE: Unable to create a valid reservation\n"
+	exit $ret_code
+}
+
+set res_name_save $res_name
+
+# Test for time reservation conflict (trail overlap)
+set ret_code [create_res "StartTime=now+60minutes Duration=60 Nodes=ALL user=$user_name" 1]
+if {$ret_code == 0} {
+        send_user "\nFAILURE: Reservation $test did not fail but should have\n"
+        delete_res $res_name
+        exit 1
+} else {
+        send_user "Expected error.  You can turn that frown upside-down.\n"
+}
+# Delete the reservation
+set ret_code [delete_res $res_name_save]
+if {$ret_code != 0} {
+        exit $ret_code
+}
+
+#
 # Remove the temporary job script
 exec $bin_rm -f $file_in