Add expectation for namespaced hover (#941)

Co-authored-by: Andy Waite <andyw8@users.noreply.github.com>

test/expectations/hover/documented_namespaced_class.exp.json

@@ -0,0 +1,24 @@
+{
+    "params": [
+        {
+            "line": 1,
+            "character": 6
+        }
+    ],
+    "result": {
+        "contents": {
+            "kind": "markdown",
+            "value": "```ruby\nFoo::Bar\n```\n\n**Definitions**: [fake.rb](file:///fake.rb#L2,1-3,3) | [fake.rb](file:///fake.rb#L6,1-7,3) | [fake.rb](file:///fake.rb#L11,3-12,5)\n\n\n\nThis is the documentation for Foo::Bar\n\nThis is more documentation for Foo::Bar\n\nThis is even more documentation for Foo::Bar"
+        },
+        "range": {
+            "start": {
+                "line": 1,
+                "character": 6
+            },
+            "end": {
+                "line": 1,
+                "character": 14
+            }
+        }
+    }
+}

test/fixtures/documented_namespaced_class.rb

@@ -0,0 +1,13 @@
+# This is the documentation for Foo::Bar
+class Foo::Bar
+end
+
+# This is more documentation for Foo::Bar
+class Foo::Bar
+end
+
+class Foo
+  # This is even more documentation for Foo::Bar
+  class Bar
+  end
+end