Fix tests

Author: nicolasstucki

tests/run-staging/quote-nested-2.check

@@ -1,6 +1,4 @@
 ((qctx: scala.quoted.QuoteContext) ?=> {
   val a: scala.quoted.Expr[scala.Int] = scala.internal.quoted.CompileTime.exprQuote[scala.Int](4).apply(using qctx)
-  ((qctx1_$1: scala.quoted.QuoteContext {
-    val tasty: qctx.tasty
-  }) ?=> a).asInstanceOf[scala.ContextFunction1[scala.quoted.QuoteContext, scala.quoted.Expr[scala.Int]]].apply(using qctx)
+  ((qctx1_$1: qctx.NestedContext) ?=> a).asInstanceOf[scala.ContextFunction1[scala.quoted.QuoteContext, scala.quoted.Expr[scala.Int]]].apply(using qctx)
 })

tests/run-staging/quote-nested-5.check

@@ -1,6 +1,4 @@
 ((qctx: scala.quoted.QuoteContext) ?=> {
   val a: scala.quoted.Expr[scala.Int] = scala.internal.quoted.CompileTime.exprQuote[scala.Int](4).apply(using qctx)
-  ((qctx2: scala.quoted.QuoteContext) ?=> ((qctx1_$1: scala.quoted.QuoteContext {
-    val tasty: qctx2.tasty
-  }) ?=> a).asInstanceOf[scala.ContextFunction1[scala.quoted.QuoteContext, scala.quoted.Expr[scala.Int]]].apply(using qctx2)).apply(using qctx)
+  ((qctx2: scala.quoted.QuoteContext) ?=> ((qctx1_$1: qctx2.NestedContext) ?=> a).asInstanceOf[scala.ContextFunction1[scala.quoted.QuoteContext, scala.quoted.Expr[scala.Int]]].apply(using qctx2)).apply(using qctx)
 })