Fix and adapt tests

Author: nicolasstucki

tests/run-with-compiler/i3847-b.scala

@@ -6,7 +6,7 @@ object Arrays {
   implicit def ArrayIsLiftable[T: Liftable](implicit t: Type[T]): Liftable[Array[List[T]]] = {
     new Liftable[Array[List[T]]] {
       def toExpr(arr: Array[List[T]]): Expr[Array[List[T]]] = '{
-        new Array[List[${t]](${arr.length.toExpr}})
+        new Array[List[$t]](${arr.length.toExpr})
         // TODO add elements
       }
     }

tests/run-with-compiler/i3847.scala

@@ -6,7 +6,7 @@ object Arrays {
   implicit def ArrayIsLiftable[T: Liftable](implicit t: Type[T], ct: Expr[ClassTag[T]]): Liftable[Array[T]] = {
     new Liftable[Array[T]] {
       def toExpr(arr: Array[T]): Expr[Array[T]] = '{
-        new Array[${t](${arr.length.toExpr}})(~ct)
+        new Array[$t](${arr.length.toExpr})(~ct)
         // TODO add elements
       }
     }

tests/run-with-compiler/i4044e.scala

@@ -6,7 +6,7 @@ class Foo {
     val e: Expr[Int] = '{3}
     val f: Expr[Int] = '{5}
     val t: Type[Int] = '[Int]
-    val q = '{ ~( '{ (~e + ~f).asInstanceOf[~t] } ) }
+    val q = '{ ${ '{ ($e + $f).asInstanceOf[$t] } } }
     println(q.show)
   }
 }

tests/run-with-compiler/i5247.scala

@@ -7,10 +7,10 @@ object Test {
   }
   def foo[H : Type]: Expr[H] = {
     val t = '[H]
-    '{ null.asInstanceOf[~t] }
+    '{ null.asInstanceOf[$t] }
   }
   def bar[H : Type]: Expr[List[H]] = {
     val t = '[List[H]]
-    '{ null.asInstanceOf[~t] }
+    '{ null.asInstanceOf[$t] }
   }
 }