Fix some test cases so that they work under the Apple configuration.

FossilOrigin-Name: 399c60764d3fdec49dab1745c30930ca1dbafe70

test/wal3.test

@@ -220,6 +220,7 @@ foreach {tn syncmode synccount} {
     sqlite3 db test.db -vfs T
   
     execsql "PRAGMA synchronous = $syncmode"
+    execsql "PRAGMA checkpoint_fullfsync = 0"
     execsql { PRAGMA journal_mode = WAL }
     execsql { CREATE TABLE filler(a,b,c); }