Stable exception

scio-google-cloud-platform/src/main/scala/com/spotify/scio/bigquery/types/ConverterProvider.scala

@@ -270,7 +270,7 @@ private[types] object ConverterProvider {
     // Converter helpers
     // =======================================================================
     def cast(tree: Tree, tpe: Type): Tree = {
-      val msg = Constant(s"Cannot convert to ${tpe.typeSymbol.name}: ")
+      val msg = s"Cannot convert to ${tpe.typeSymbol.name}: "
       val fail = q"""throw new _root_.java.lang.IllegalArgumentException($msg + $tree)"""
 
       def readBase64(term: TermName) =
@@ -418,7 +418,7 @@ private[types] object ConverterProvider {
 
       val tree = q"$fn.get($name)"
       def nonNullTree(fType: String) = {
-        val msg = Constant(s"$fType field '$name' is null")
+        val msg = s"""$fType field "$name" is null"""
         q"""{
           val v = $fn.get($name)
           if (v == null) {

scio-google-cloud-platform/src/test/scala/com/spotify/scio/bigquery/types/ConverterProviderTest.scala

@@ -29,7 +29,7 @@ class ConverterProviderTest extends AnyFlatSpec with Matchers {
   "ConverterProvider" should "throw NPE with meaningful message for null in REQUIRED field" in {
     the[NullPointerException] thrownBy {
       Required.fromTableRow(TableRow())
-    } should have message "REQUIRED field 'a' is null"
+    } should have message """REQUIRED field "a" is null"""
   }
 
   it should "handle null in NULLABLE field" in {
@@ -39,7 +39,7 @@ class ConverterProviderTest extends AnyFlatSpec with Matchers {
   it should "throw NPE with meaningful message for null in REPEATED field" in {
     the[NullPointerException] thrownBy {
       Repeated.fromTableRow(TableRow())
-    } should have message "REPEATED field 'a' is null"
+    } should have message """REPEATED field "a" is null"""
   }
 
   it should "handle required geography type" in {