diff --git a/tests/pos/i14699.scala b/tests/pos/i14699.scala
index c0cc89fbf4f8..ec1d78da554a 100644
--- a/tests/pos/i14699.scala
+++ b/tests/pos/i14699.scala
@@ -1,7 +1,21 @@
-def always(block: => Unit): Unit = {}
-def always(args: Int*)(block: => Unit): Unit ={}
 
-def test =
-  val x = always{}
-  val xc: Unit = x
-  always(1,2,3) {}
+package i14699:
+  def always(block: => Unit): Unit = ()
+  def always(args: Int*)(block: => Unit): Unit = ()
+
+  def test =
+    val x = always{}
+    val xc: Unit = x
+    always(1,2,3) {}
+
+package i15163:
+  trait Ctx
+  object Ctx:
+    given Ctx()
+  def always(block: Ctx ?=> Unit): Unit = block
+  def always(args: Int*)(block: Ctx ?=> Unit): Unit = block
+
+  def test =
+    //val _ = always {}
+    val _ = always { (x: Ctx) ?=> () }
+    always(1,2,3) {}
diff --git a/tests/run/i10016.scala b/tests/run/i10016.scala
index 475cf0898466..1a02ecd5aa52 100644
--- a/tests/run/i10016.scala
+++ b/tests/run/i10016.scala
@@ -1,5 +1,10 @@
-def f(init: Int ?=> Int) : Int = 1
-def f(s: String)(init: Int ?=> Int) : Int = 2
+def f(init: Int ?=> Int): Int = 1
+def f(s: String)(init: Int ?=> Int): Int = 2
+
+def g(init: String ?=> Int)(s: String): Int = init(using s)
+def g(init: Int ?=> Int)(j: Int): Int = init(using j)
 
 @main def Test() =
   assert(f((x: Int) ?=> x) == 1)
+  assert(g((i: Int) ?=> i+1)(41) == 42, s"${ g((i: Int) ?=> i+1)(41) }")
+  //assert(g(summon[Int]+1)(41) == 42, s"${ g((i: Int) ?=> i+1)(41) }")