unified: Test bodyless Swift function modifiers

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: hvitved

unified/extractor/tests/corpus/swift/types/protocol-declaration.output

@@ -1,5 +1,6 @@
 protocol Drawable {
   func draw()
+  static func make()
 }
 
 ---
@@ -31,6 +32,22 @@ sourceFile
                               rightParen: )
                               parameters:
                       funcKeyword: func
+                memberBlockItem
+                  decl:
+                    functionDecl
+                      attributes:
+                      name: identifier "make"
+                      modifiers:
+                        declModifier
+                          name: static
+                      signature:
+                        functionSignature
+                          parameterClause:
+                            functionParameterClause
+                              leftParen: (
+                              rightParen: )
+                              parameters:
+                      funcKeyword: func
           modifiers:
           protocolKeyword: protocol
 
@@ -47,3 +64,7 @@ top_level
             function_declaration
               name: identifier "draw"
               body: block "func draw()"
+            function_declaration
+              modifier: modifier "static"
+              name: identifier "make"
+              body: block "static func make()"

unified/extractor/tests/corpus/swift/types/protocol-declaration.swift

@@ -1,3 +1,4 @@
 protocol Drawable {
   func draw()
+  static func make()
 }