Add tests with macros (unstable)

The macros are compiled correctly when done in two stages, but when the two files are compiled at the same time, $anonfun is considered to be a dependency

Author: timotheeandres

tests/pos/inline-trait-body-macro-suspend/Macro.scala

@@ -0,0 +1,10 @@
+import scala.quoted.*
+
+inline def foo(): Int =
+  ${fooImpl}
+
+def fooImpl(using Quotes): Expr[Int] =
+  '{3}
+
+inline trait A:
+  val i: Int = foo()

tests/pos/inline-trait-body-macro-suspend/Test.scala

@@ -0,0 +1,2 @@
+class B extends A:
+  def test = foo()

tests/pos/inline-trait-body-macro/Macro_1.scala

@@ -0,0 +1,10 @@
+import scala.quoted.*
+
+inline def foo(): Int =
+  ${fooImpl}
+
+def fooImpl(using Quotes): Expr[Int] =
+  '{3}
+
+inline trait A:
+  val i: Int = foo()

tests/pos/inline-trait-body-macro/Test_2.scala

@@ -0,0 +1 @@
+class B extends A