Index: ext/rtree/rtreefuzz001.test
==================================================================
--- ext/rtree/rtreefuzz001.test
+++ ext/rtree/rtreefuzz001.test
@@ -463,10 +463,11 @@
 |   3424: 00 00 00 00 00 00 07 75 41 10 00 00 41 20 00 00   .......uA...A ..
 |   3440: 41 10 00 00 41 20 00 00 00 00 00 00 00 00 00 00   A...A ..........
 | end c1b.db
   }]
   catchsql {
+     PRAGMA writable_schema = 1;
      SELECT rtreecheck('t1');
   }
 } {1 {SQL logic error}}
 
 do_test rtreefuzz001-200 {
@@ -1038,10 +1039,11 @@
 |   2848: 00 00 00 00 00 00 00 00 00 00 00 00 00 89 50 01   ..............P.
 |   2864: 04 00 93 24 00 01 00 02 00 00 00 00 00 00 00 02   ...$............
 |   2880: ff ff ff 06 00 00 00 0c 00 00 00 01 00 00 00 0b   ................
 |   2896: 00 00 00 00 00 00 00 02 40 00 00 00 00 00 00 00   ........@.......
 | end crash-2e81f5dce5cbd4.db}]
+  execsql { PRAGMA writable_schema = 1;}
   catchsql {UPDATE t1 SET ex= ex ISNULL}
 } {1 {database disk image is malformed}}
 
 
 finish_test

Index: test/fts3corrupt4.test
==================================================================
--- test/fts3corrupt4.test
+++ test/fts3corrupt4.test
@@ -2145,10 +2145,11 @@
 |   4080: 00 00 00 00 00 00 00 07 00 03 00 14 08 45 b5 03   .............E..
 | end crash-f7b636a855e1d2.db
 }]} {}
 
 do_execsql_test 14.1 {
+  PRAGMA writable_schema = 1;
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<10)
     INSERT INTO t1(a) SELECT randomblob(3000) FROM c;
 }
 
 do_catchsql_test 14.2 {
@@ -3047,10 +3048,11 @@
 |   4080: 75 69 6c 64 0a 01 02 1d 6f 70 74 69 6d 69 7a 65   uild....optimize
 | end crash-526ea445f41c02.db
 }]} {}
 
 do_catchsql_test 19.1 {
+  PRAGMA writable_schema = 1;
   SELECT rowid,a,c,snippet(t1,85101090932165,-1,10) FROM t1 WHERE a MATCH 'rtree';
 } {1 {database disk image is malformed}}
 
 #-------------------------------------------------------------------------
 reset_db
@@ -3248,10 +3250,11 @@
 |   4080: 00 00 00 00 00 00 00 07 00 03 00 14 08 45 b5 03   .............E..
 | end crash-afecd03c862e58.db
 }]} {}
 
 do_execsql_test 20.1 {
+  PRAGMA writable_schema = 1;
   BEGIN;
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<10)
     INSERT INTO t1(a) SELECT randomblob(3000) FROM c;
 }
 
@@ -3470,12 +3473,12 @@
 |   4064: 69 74 79 2d 63 68 65 63 6b 09 02 02 1b 72 65 62   ity-check....reb
 |   4080: 75 69 6c 64 0a 01 02 1d 00 00 00 00 00 00 00 00   uild............
 | end crash-18cc014e42e828.db
 }]} {}
 
-breakpoint
 do_catchsql_test 21.1 {
+  PRAGMA writable_schema = 1;
   SELECT offsets(t1) FROM t1 WHERE t1 MATCH 'R*';
 } {1 {database disk image is malformed}}
 
 #-------------------------------------------------------------------------
 reset_db
@@ -3692,10 +3695,11 @@
 |   4064: 69 74 79 2d 63 68 65 63 6b 09 02 02 1b 72 65 62   ity-check....reb
 | end crash-b794c89d922ac9.db
 }]} {}
 
 do_catchsql_test 22.1 {
+  PRAGMA writable_schema = 1;
   SELECT snippet(t1,'', '', '--',-1,01)==0
     FROM t1 WHERE a MATCH 'rtree OR json1rtree OR json1';
 } {0 {0 0 0 0 0 0 0}}
 
 #-------------------------------------------------------------------------
@@ -3911,10 +3915,11 @@
 |   4064: 69 74 79 00 00 00 00 00 00 00 00 00 00 00 00 00   ity.............
 | end crash-670b15f2955a36.db
 }]} {}
 
 do_catchsql_test 23.1 {
+  PRAGMA writable_schema = 1;
   SELECT 'FyzLy'FROM t1 WHERE t1 MATCH 'j';
 } {1 {database disk image is malformed}}
 
 #-------------------------------------------------------------------------
 reset_db
@@ -4129,10 +4134,11 @@
 |   4048: 3d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00   =1..............
 | end crash-369d042958c29b.db
 }]} {}
 
 do_catchsql_test 24.1 {
+  PRAGMA writable_schema = 1;
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT '4hE'+x FROM c WHERE x<72)
     INSERT INTO t1(a) SELECT randomblob(2829) FROM c;
 } {0 {}}
 
 do_catchsql_test 24.2 {
@@ -4372,10 +4378,11 @@
 |   4048: 3d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00   =1..............
 | end crash-dde9e76ed8ab2d.db
 }]} {}
 
 do_catchsql_test 25.1 {
+  PRAGMA writable_schema = 1;
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x%1 FROM c WHERE x<599237)
     INSERT INTO t1( a ) SELECT randomblob(3000) FROM t2 ;
 } {0 {}}
 
 do_catchsql_test 25.2 {
@@ -4606,10 +4613,11 @@
 |   4016: 00 00 00 00 00 00 00 00 0d 05 02 23 61 00 00 00   ...........#a...
 | end crash-26682721375870.db
 }]} {}
 
 do_execsql_test 26.1 {
+  PRAGMA writable_schema = 1;
   SELECT count(*) FROM (
     SELECT t1, (t1) FROM t1 WHERE b MATCH 'x'
   )
 } 34
 
@@ -4824,10 +4832,11 @@
 |   4048: 3d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00   =1..............
 | end crash-23ddd777a03bfd.db
 }]} {}
 
 do_catchsql_test 27.2 {
+  PRAGMA writable_schema = 1;
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x GLOB 2.16770 FROM x)
     INSERT INTO t1(a) SELECT randomblob(3000) FROM t2 ;
 } {0 {}}
 do_catchsql_test 27.3 {
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT 3+x FROM c WHERE x<2.653)
@@ -5056,10 +5065,11 @@
 |   4048: 3d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00   =1..............
 | end crash-159ac1ca51ed55.db
 }]} {}
 
 do_catchsql_test 28.1 {
+  PRAGMA writable_schema = 1;
   WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT 3+x FROM c WHERE x<72)
     INSERT INTO t1(a) SELECT randomblob(2829) FROM c;
 } {0 {}}
 
 do_catchsql_test 28.1 {
@@ -5310,12 +5320,13 @@
 |   4048: 3d 31 00 00 00 00 00 00 00 00 00 00 00 00 00 00   =1..............
 | end crash-53f41622dd3bf6.db
 }]} {}
 
 do_catchsql_test 29.1 {
+  PRAGMA writable_schema = 1;
   INSERT INTO t1(a) SELECT X'819192E578DE3F';
   UPDATE t1 SET b=quote(zeroblob(current_date)) WHERE t1 MATCH 't*';
   INSERT INTO t1(b) VALUES(x'78');
   INSERT INTO t1(t1) SELECT x FROM t2;
 } {1 {database disk image is malformed}}
 
 finish_test