Move common inspect code up to Node

src/spectator/example.cr

@@ -160,17 +160,8 @@ module Spectator
 
     # Exposes information about the example useful for debugging.
     def inspect(io)
-      # Full example name.
+      super
-      io << '"'
+      io << ' '
-      to_s(io)
-      io << '"'
-
-      # Add location if it's available.
-      if (location = self.location)
-        io << " @ "
-        io << location
-      end
-
       io << result
     end
 

src/spectator/node.cr

@@ -51,5 +51,19 @@ module Spectator
     def to_s(io)
       (@name || "<anonymous>").to_s(io)
     end
+
+    # Exposes information about the node useful for debugging.
+    def inspect(io)
+      # Full node name.
+      io << '"'
+      to_s(io)
+      io << '"'
+
+      # Add location if it's available.
+      if (location = self.location)
+        io << " @ "
+        io << location
+      end
+    end
   end
 end