Tests modified to account for INFO fields renaming.

Commit 33e1db36 modified the name of a
few INFO fields. This commit changes the Redis test to account for this
changes.

tests/support/util.tcl

@@ -55,7 +55,7 @@ proc status {r property} {
 
 proc waitForBgsave r {
     while 1 {
-        if {[status r bgsave_in_progress] eq 1} {
+        if {[status r rdb_bgsave_in_progress] eq 1} {
             if {$::verbose} {
                 puts -nonewline "\nWaiting for background save to finish... "
                 flush stdout
@@ -69,7 +69,7 @@ proc waitForBgsave r {
 
 proc waitForBgrewriteaof r {
     while 1 {
-        if {[status r bgrewriteaof_in_progress] eq 1} {
+        if {[status r aof_rewrite_in_progress] eq 1} {
             if {$::verbose} {
                 puts -nonewline "\nWaiting for background AOF rewrite to finish... "
                 flush stdout

tests/unit/aofrw.tcl

@@ -127,8 +127,8 @@ start_server {tags {"aofrw"}} {
         r info persistence
         set res [r exec]
         assert_match {*scheduled*} [lindex $res 1]
-        assert_match {*bgrewriteaof_scheduled:1*} [lindex $res 2]
-        while {[string match {*bgrewriteaof_scheduled:1*} [r info persistence]]} {
+        assert_match {*aof_rewrite_scheduled:1*} [lindex $res 2]
+        while {[string match {*aof_rewrite_scheduled:1*} [r info persistence]]} {
             after 100
         }
     }
@@ -141,7 +141,7 @@ start_server {tags {"aofrw"}} {
             r exec
         } e
         assert_match {*ERR*already*} $e
-        while {[string match {*bgrewriteaof_scheduled:1*} [r info persistence]]} {
+        while {[string match {*aof_rewrite_scheduled:1*} [r info persistence]]} {
             after 100
         }
     }