diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-fuzzyeq-jaccard.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-fuzzyeq-jaccard.aql
index 5e9ac0e..911b63f 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-fuzzyeq-jaccard.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-fuzzyeq-jaccard.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard-check.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard-check.aql
index dbb9c71..a42fc6b 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard-check.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard-check.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -24,4 +25,4 @@
 
 for $o in dataset('DBLP')
 where similarity-jaccard-check(gram-tokens($o.title, 3, false), gram-tokens("Transactions for Cooperative Environments", 3, false), 0.5f)[0]
-return $o
\ No newline at end of file
+return $o
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard.aql
index f25fb8b..b11629f 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-basic/ngram-jaccard.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-let.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-let.aql
index fb59040..486fe66 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-let.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-let.aql
@@ -8,6 +8,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -26,4 +27,4 @@
 for $o in dataset('DBLP')
 let $jacc := similarity-jaccard-check(gram-tokens($o.title, 3, false), gram-tokens("Transactions for Cooperative Environments", 3, false), 0.5f)
 where $jacc[0]
-return $o
\ No newline at end of file
+return $o
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-multi-let.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-multi-let.aql
index b86c6b2..7dfc9f6 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-multi-let.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-complex/ngram-jaccard-check-multi-let.aql
@@ -8,6 +8,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -29,4 +30,4 @@
 let $query_tokens := gram-tokens("Transactions for Cooperative Environments", 3, false)
 let $jacc := similarity-jaccard-check($paper_tokens, $query_tokens, 0.5f)
 where $jacc[0]
-return {"Paper": $paper_tokens, "Query": $query_tokens }
\ No newline at end of file
+return {"Paper": $paper_tokens, "Query": $query_tokens }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.aql
index 1a97936..5b2be0c 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-fuzzyeq-jaccard.aql
@@ -8,6 +8,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -39,4 +40,4 @@
 for $a in dataset('DBLP')
 for $b in dataset('CSX')
 where gram-tokens($a.title, 3, false) ~= gram-tokens($b.title, 3, false) and $a.id < $b.id
-return {"atitle": $a.title, "btitle": $b.title}
\ No newline at end of file
+return {"atitle": $a.title, "btitle": $b.title}
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline.aql
index bf6bb82..d4ec177 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard-inline.aql
@@ -9,6 +9,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -28,4 +29,4 @@
 for $b in dataset('DBLP')
 let $jacc := similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false))
 where $jacc >= 0.5f and $a.id < $b.id
-return {"atitle": $a.title, "btitle": $b.title, "jacc": $jacc}
\ No newline at end of file
+return {"atitle": $a.title, "btitle": $b.title, "jacc": $jacc}
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard.aql
index dae2a78..1e7df4b 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join-noeqjoin/ngram-jaccard.aql
@@ -8,6 +8,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -37,4 +38,4 @@
 for $b in dataset('CSX')
 where similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false)) >= 0.5f
       and $a.id < $b.id
-return {"atitle": $a.title, "btitle": $b.title}
\ No newline at end of file
+return {"atitle": $a.title, "btitle": $b.title}
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_01.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_01.aql
index 84fb8f3..931734c 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_01.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_01.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -38,4 +39,4 @@
 for $a in dataset('DBLP')
 for $b in dataset('CSX')
 where gram-tokens($a.title, 3, false) ~= gram-tokens($b.title, 3, false) and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_02.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_02.aql
index d0c3c6f..ecbeea7 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_02.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_02.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -38,4 +39,4 @@
 for $a in dataset('DBLP')
 for $b in dataset('CSX')
 where gram-tokens($a.title, 3, false) ~= gram-tokens($b.title, 3, false) and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_03.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_03.aql
index a725edc..b437183 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_03.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-fuzzyeq-jaccard_03.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -28,4 +29,4 @@
 for $a in dataset('DBLP')
 for $b in dataset('DBLP')
 where gram-tokens($a.title, 3, false) ~= gram-tokens($b.title, 3, false) and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_01.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_01.aql
index c25e2e3..d554d76 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_01.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_01.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -36,4 +37,4 @@
 for $b in dataset('CSX')
 where similarity-jaccard-check(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false), 0.5f)[0]
       and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_02.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_02.aql
index 0e9f4d5..d60baad 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_02.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_02.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -36,4 +37,4 @@
 for $b in dataset('CSX')
 where similarity-jaccard-check(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false), 0.5f)[0]
       and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_03.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_03.aql
index bbd0f51..cc7dded 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_03.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_03.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -26,4 +27,4 @@
 for $b in dataset('DBLP')
 where similarity-jaccard-check(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false), 0.5f)[0]
       and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_04.aql
index 956f712..e51adbd 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_04.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard-check_04.aql
@@ -8,6 +8,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -27,4 +28,4 @@
 for $b in dataset('DBLP')
 let $jacc := similarity-jaccard-check(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false), 0.5f)
 where $jacc[0] and $a.id < $b.id
-return {"arec": $a, "brec": $b, "jacc": $jacc[1] }
\ No newline at end of file
+return {"arec": $a, "brec": $b, "jacc": $jacc[1] }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_01.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_01.aql
index 742cb69..3893857 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_01.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_01.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -36,4 +37,4 @@
 for $b in dataset('CSX')
 where similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false)) >= 0.5f
       and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_02.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_02.aql
index a620399..372d622 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_02.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_02.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -36,4 +37,4 @@
 for $b in dataset('CSX')
 where similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false)) >= 0.5f
       and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_03.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_03.aql
index d12bf98..568bcfa 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_03.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_03.aql
@@ -7,6 +7,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -26,4 +27,4 @@
 for $b in dataset('DBLP')
 where similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false)) >= 0.5f
       and $a.id < $b.id
-return {"arec": $a, "brec": $b }
\ No newline at end of file
+return {"arec": $a, "brec": $b }
diff --git a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_04.aql b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_04.aql
index 6b308c8..c1a08b9 100644
--- a/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_04.aql
+++ b/asterix-app/src/test/resources/optimizerts/queries/inverted-index-join/ngram-jaccard_04.aql
@@ -8,6 +8,7 @@
 drop dataverse test if exists;
 create dataverse test;
 use dataverse test;
+set import-private-functions 'true';
 
 create type DBLPType as closed {
   id: int32, 
@@ -27,4 +28,4 @@
 for $b in dataset('DBLP')
 let $jacc := similarity-jaccard(gram-tokens($a.title, 3, false), gram-tokens($b.title, 3, false))
 where $jacc >= 0.5f and $a.id < $b.id
-return {"arec": $a, "brec": $b, "jacc": $jacc }
\ No newline at end of file
+return {"arec": $a, "brec": $b, "jacc": $jacc }
diff --git a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_null-with-pred/sum_null-with-pred.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_null-with-pred/sum_null-with-pred.3.query.aql
index 432866f..144f427 100644
--- a/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_null-with-pred/sum_null-with-pred.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/aggregate/sum_null-with-pred/sum_null-with-pred.3.query.aql
@@ -6,6 +6,7 @@
  */
 
 use dataverse test;
+set import-private-functions 'true';
 
 sum(for $l in dataset('tdst')
 where not(is-null($l.sal))
diff --git a/asterix-app/src/test/resources/runtimets/queries/boolean/not_01/not_01.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/boolean/not_01/not_01.3.query.aql
index af1a6bc..059da38 100644
--- a/asterix-app/src/test/resources/runtimets/queries/boolean/not_01/not_01.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/boolean/not_01/not_01.3.query.aql
@@ -1,4 +1,5 @@
 use dataverse test;
+set import-private-functions 'true';
 
 let $x := true
 let $y := false
diff --git a/asterix-app/src/test/resources/runtimets/queries/misc/is-null_01/is-null_01.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/misc/is-null_01/is-null_01.3.query.aql
index 7725698..61220f7 100644
--- a/asterix-app/src/test/resources/runtimets/queries/misc/is-null_01/is-null_01.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/misc/is-null_01/is-null_01.3.query.aql
@@ -1,3 +1,4 @@
 use dataverse test;
+set import-private-functions 'true';
 
 [is-null(null), is-null(10)]
diff --git a/asterix-app/src/test/resources/runtimets/queries/quantifiers/everysat_04/everysat_04.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/quantifiers/everysat_04/everysat_04.3.query.aql
index 7742254..e5e425f 100644
--- a/asterix-app/src/test/resources/runtimets/queries/quantifiers/everysat_04/everysat_04.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/quantifiers/everysat_04/everysat_04.3.query.aql
@@ -4,6 +4,7 @@
  */
 
 use dataverse test;
+set import-private-functions 'true';
 
 let $x := [
 every $x in [false,false] satisfies $x,
diff --git a/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_06/somesat_06.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_06/somesat_06.3.query.aql
index e406cda..4d75664 100644
--- a/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_06/somesat_06.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/quantifiers/somesat_06/somesat_06.3.query.aql
@@ -4,6 +4,7 @@
  */
 
 use dataverse test;
+set import-private-functions 'true';
 
 let $x := [
 some $x in [false,false] satisfies $x,
diff --git a/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.3.query.aql
index 4247586..53e4ace 100644
--- a/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/semistructured/has-param1/has-param1.3.query.aql
@@ -1,4 +1,5 @@
 use dataverse test;
+set import-private-functions 'true';
 
 for $o in dataset('Orders')
 where not(is-null($o.param1))
diff --git a/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.3.query.aql
index a75b9c9..dd65443 100644
--- a/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/tpch/q13_customer_distribution/q13_customer_distribution.3.query.aql
@@ -1,4 +1,5 @@
 use dataverse tpch;
+set import-private-functions 'true';
 
 for $gco in (
 	for $co in
diff --git a/asterix-app/src/test/resources/runtimets/queries/user-defined-functions/udf18/udf18.3.query.aql b/asterix-app/src/test/resources/runtimets/queries/user-defined-functions/udf18/udf18.3.query.aql
index 0bdf0e4..c2af48d 100644
--- a/asterix-app/src/test/resources/runtimets/queries/user-defined-functions/udf18/udf18.3.query.aql
+++ b/asterix-app/src/test/resources/runtimets/queries/user-defined-functions/udf18/udf18.3.query.aql
@@ -5,6 +5,7 @@
  */
 
 use dataverse test;
+set import-private-functions 'true';
 
 let $val := not(test.fn06())
 return $val