Added formatting test for removing empty coomments

Signed-off-by: Ole Herman Schumacher Elgesem <ole.elgesem@northern.tech>

Author: olehermanse

tests/format/006_remove_empty_comments.expected.cf

@@ -0,0 +1,24 @@
+bundle agent main
+{
+  # comment
+  reports:
+    "hello";
+}
+
+bundle agent b
+{
+  # Some long comment here
+  #
+  # With more explanation here
+  reports:
+    "hello";
+}
+
+bundle agent c
+# Some long comment here
+#
+# With more explanation here
+{
+  reports:
+    "hello";
+}

tests/format/006_remove_empty_comments.input.cf

@@ -0,0 +1,30 @@
+bundle agent main
+{
+#
+# comment
+reports:
+"hello";
+}
+
+
+bundle agent b
+{
+# Some long comment here
+#
+# With more explanation here
+#
+reports:
+"hello";
+}
+
+
+
+bundle agent c
+# Some long comment here
+#
+# With more explanation here
+#
+{
+reports:
+"hello";
+}