vineyard: try to debug macos test failure

Follow-up to #230431

Author: carlocab

Formula/v/vineyard.rb

@@ -142,19 +142,30 @@ def install
     system "cmake", "-S", ".", "-B", "build", *std_cmake_args
     system "cmake", "--build", "build"
 
+    vineyard_sock = Pathname.new("/tmp/vineyard.sock")
     # prepare vineyardd
     vineyardd_pid = spawn bin/"vineyardd", "--norpc",
                                            "--meta=local",
-                                           "--socket=#{testpath}/vineyard.sock"
+                                           "--socket=#{vineyard_sock}"
 
     # sleep to let vineyardd get its wits about it
     sleep 10
-    sleep 10 if OS.mac? && Hardware::CPU.intel?
+
+    if OS.mac? && Hardware::CPU.intel?
+      ohai "vineyard_sock.exist? #{vineyard_sock.exist?}"
+      ohai "vineyard_sock.socket? #{vineyard_sock.socket?}"
+    end
 
     assert_equal("vineyard instance is: 0\n",
-                 shell_output("#{testpath}/build/vineyard-test #{testpath}/vineyard.sock"))
+                 shell_output("#{testpath}/build/vineyard-test #{vineyard_sock}"))
   ensure
+    if OS.mac? && Hardware::CPU.intel?
+      ohai "in `ensure`"
+      ohai "vineyard_sock.exist? #{vineyard_sock.exist?}"
+      ohai "vineyard_sock.socket? #{vineyard_sock.socket?}"
+    end
     # clean up the vineyardd process before we leave
     Process.kill("HUP", vineyardd_pid)
+    rm vineyard_sock, force: true
   end
 end