migrate PC tests to new Option.apply signature

Author: hamzaremmal

presentation-compiler/test/dotty/tools/pc/tests/InferExpectedTypeSuite.scala

@@ -93,7 +93,7 @@ class InferExpectedTypeSuite extends BasePCSuite:
     check(
       """|val i: Option[Int] = Option(@@)
          |""".stripMargin,
-      """|Int
+      """|Int | Null
          |""".stripMargin
     )
 

presentation-compiler/test/dotty/tools/pc/tests/completion/CompletionArgSuite.scala

@@ -157,7 +157,7 @@ class CompletionArgSuite extends BaseCompletionSuite:
           |  Option[Int](@@)
           |}
           |""".stripMargin,
-      """|x = : A
+      """|x = : A | Null
          |Main test
          |""".stripMargin,
       topLines = Option(2)

presentation-compiler/test/dotty/tools/pc/tests/signaturehelp/SignatureHelpDocSuite.scala

@@ -122,8 +122,8 @@ class SignatureHelpDocSuite extends BaseSignatureHelpSuite:
         |}
       """.stripMargin,
       """|Found documentation for scala/Option.apply().
-         |apply[A](x: A): Option[A]
-         |         ^^^^
+         |apply[A](x: A | Null): Option[A]
+         |         ^^^^^^^^^^^
          |  @param x Found documentation for param x
          |""".stripMargin
     )

presentation-compiler/test/dotty/tools/pc/tests/signaturehelp/SignatureHelpSuite.scala

@@ -162,8 +162,8 @@ class SignatureHelpSuite extends BaseSignatureHelpSuite:
         |  List(Option(1@@))
         |}
       """.stripMargin,
-      """|apply[A](x: A): Option[A]
-         |         ^^^^
+      """|apply[A](x: A | Null): Option[A]
+         |         ^^^^^^^^^^^
          |""".stripMargin
     )
 
@@ -186,8 +186,8 @@ class SignatureHelpSuite extends BaseSignatureHelpSuite:
         |  List(Option(@@))
         |}
       """.stripMargin,
-      """|apply[A](x: A): Option[A]
-         |         ^^^^
+      """|apply[A](x: A | Null): Option[A]
+         |         ^^^^^^^^^^^
          |""".stripMargin
     )
 
@@ -235,7 +235,7 @@ class SignatureHelpSuite extends BaseSignatureHelpSuite:
         |  Option[I@@]
         |}
       """.stripMargin,
-      """|apply[A](x: A): Option[A]
+      """|apply[A](x: A | Null): Option[A]
          |      ^
          |""".stripMargin
     )
@@ -345,8 +345,8 @@ class SignatureHelpSuite extends BaseSignatureHelpSuite:
         |  } yield k
         |}
       """.stripMargin,
-      """|apply[A](x: A): Option[A]
-         |         ^^^^
+      """|apply[A](x: A | Null): Option[A]
+         |         ^^^^^^^^^^^
          |""".stripMargin
     )
 
@@ -580,8 +580,8 @@ class SignatureHelpSuite extends BaseSignatureHelpSuite:
         |  Option(a @@)
         |}
       """.stripMargin,
-      """|apply[A](x: A): Option[A]
-         |         ^^^^
+      """|apply[A](x: A | Null): Option[A]
+         |         ^^^^^^^^^^^
          |""".stripMargin
     )