diff --git a/x-pack/plugin/esql/qa/testFixtures/src/main/resources/string.csv-spec b/x-pack/plugin/esql/qa/testFixtures/src/main/resources/string.csv-spec
index 660200f95ec1b..05805201eaf32 100644
--- a/x-pack/plugin/esql/qa/testFixtures/src/main/resources/string.csv-spec
+++ b/x-pack/plugin/esql/qa/testFixtures/src/main/resources/string.csv-spec
@@ -986,8 +986,8 @@ from hosts
 | keep description
 | sort description;
 
-warning:Line 2:9: evaluation of [starts_with(description, \"epsilon\")] failed, treating result as null. Only first 20 failures recorded.
-warning:Line 2:9: java.lang.IllegalArgumentException: single-value function encountered multi-value
+warningRegex: evaluation of \[starts_with\(description, \\\"epsilon\\\"\)\] failed, treating result as null. Only first 20 failures recorded.
+warningRegex: java.lang.IllegalArgumentException: single-value function encountered multi-value
 
 description:text
 epsilon gw instance
@@ -1252,8 +1252,8 @@ from hosts
 | keep description
 | sort description;
 
-warning:Line 2:9: evaluation of [ends_with(description, \"host\")] failed, treating result as null. Only first 20 failures recorded.
-warning:Line 2:9: java.lang.IllegalArgumentException: single-value function encountered multi-value
+warningRegex: evaluation of \[ends_with\(description, \\\"host\\\"\)\] failed, treating result as null. Only first 20 failures recorded.
+warningRegex: java.lang.IllegalArgumentException: single-value function encountered multi-value
 
 description:text
 ;
@@ -1274,6 +1274,8 @@ beta         | Kubernetes cluster
 ;
 
 lucenePushdownMultipleIndices
+required_capability: index_metadata_field
+required_capability: casting_operator
 
 from airports* metadata _index
 | where starts_with(name::keyword, "Sahn") and ends_with(abbrev, "UH")
@@ -1290,6 +1292,7 @@ LUH            | Sahnewal  | airports_web
 ;
 
 lucenePushdownOr
+required_capability: casting_operator
 
 from airports
 | where starts_with(name::keyword, "Sahn") or ends_with(abbrev, "UH")
@@ -1303,6 +1306,7 @@ RUH            | King Khalid Int'l
 ;
 
 lucenePushdownMultipleOr
+required_capability: casting_operator
 
 from airports
 | where starts_with(name::keyword, "Sahn") or ends_with(abbrev, "UH") or starts_with(abbrev, "OOL")
@@ -1317,6 +1321,8 @@ RUH            | King Khalid Int'l
 ;
 
 lucenePushdownMultipleAnd
+required_capability: index_metadata_field
+required_capability: casting_operator
 
 from airports metadata _index
 | where starts_with(name::keyword, "Sahn") and ends_with(abbrev, "UH")
@@ -1329,6 +1335,7 @@ LUH            | Sahnewal  | airports
 ;
 
 lucenePushdownMixAndOr
+required_capability: casting_operator
 
 from airports
 | where starts_with(name::keyword, "Sahn") and (starts_with(name::keyword, "Abc") or ends_with(abbrev, "UH"))
@@ -1340,6 +1347,8 @@ LUH            | Sahnewal  | 9
 ;
 
 lucenePushdownMixOrAnd
+required_capability: index_metadata_field
+required_capability: casting_operator
 
 from airports* metadata _index
 | where starts_with(name::keyword, "Sahn") or (starts_with(abbrev, "G") and ends_with(name::keyword, "Falls Int'l"))