Use exit(255) instead of abort() in the tcl [sqlite_abort] test command. This stops testfixture from creating dozens of core files each time tests are run.

FossilOrigin-Name: aec9e13148671e612d4ba674e74c12116573434f

src/test1.c

@@ -1907,8 +1907,8 @@ static int sqlite_abort(
    */
   _set_abort_behavior( 0, _CALL_REPORTFAULT );
 #endif
+  exit(255);
   assert( interp==0 );   /* This will always fail */
-  abort();
   return TCL_OK;
 }