Fix recently added tests so that they work in all configurations.

FossilOrigin-Name: d0bcaf0cd92ae5bbea7ad68537ba89437d5c39e8

test/dbstatus.test

@@ -390,6 +390,7 @@ ifcapable shared_cache {
   sqlite3 db file:test.db?cache=shared
 
   do_execsql_test 4.0 {
+    PRAGMA auto_vacuum=NONE;
     CREATE TABLE t1(a, b, c);
     INSERT INTO t1 VALUES(1, 2, 3);
   }

test/vacuummem.test

@@ -17,6 +17,12 @@ set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 set testprefix vacuummem
 
+if {[permutation]=="memsubsys1"} {
+  finish_test
+  return
+}
+
+
 proc memory_used {} { 
   set stat [sqlite3_status SQLITE_STATUS_MEMORY_USED 1]  
   lindex $stat 1
@@ -51,4 +57,3 @@ do_test 1.5 { memory_used } {#/2300000/}
 
 
 finish_test
-