Change test_id to numeric value

Match that of other tests

testsuite/expect/test2.16

@@ -31,9 +31,9 @@
 ############################################################################
 source ./globals
 
-set test_id        "test2.16"
-set part_name      "$test_id\_part"
-set acct_name      "$test_id\_acct"
+set test_id        "2.16"
+set part_name      "test$test_id\_part"
+set acct_name      "test$test_id\_acct"
 set exit_code      0
 
 print_header $test_id

testsuite/expect/test2.17

@@ -31,9 +31,9 @@
 ############################################################################
 source ./globals
 
-set test_id        "test2.17"
-set qos_name       "$test_id\_qos"
-set part_name      "$test_id\_part"
+set test_id        "2.17"
+set qos_name       "test$test_id\_qos"
+set part_name      "test$test_id\_part"
 set exit_code      0
 
 print_header $test_id

testsuite/expect/test2.18

@@ -31,13 +31,13 @@
 ############################################################################
 source ./globals
 
-set test_id        "test2.18"
+set test_id        "2.18"
 set user_name      ""
 set node_name      ""
 set host_name      ""
 set acct_g         "acct_good"
 set acct_b         "acct_bad"
-set part_name      "$test_id\_part"
+set part_name      "test$test_id\_part"
 set exit_code      0
 
 print_header $test_id

testsuite/expect/test2.19

@@ -31,7 +31,7 @@
 ############################################################################
 source ./globals
 
-set test_id        "test2.19"
+set test_id        "2.19"
 set user_name      ""
 set node_name      ""
 set host_name      ""
@@ -39,7 +39,7 @@ set acct1          "acct_1"
 set acct2          "acct_2"
 set qos_g          "qos_good"
 set qos_b          "qos_bad"
-set part_name      "$test_id\_part"
+set part_name      "test$test_id\_part"
 set exit_code      0
 
 print_header $test_id