Slight improvements to existing tests

sharedPlugins/inventoryImports/isJson.spec.js

@@ -5,7 +5,7 @@ describe("isJson.js()", function(){
 	it("checks if a thing is valid JSON", function(){
 		assert(isJson("string") === false);
 		assert(isJson("{js_object_notation='very false'}") === false);
-		assert(isJson('{ "name":"John", "age":31, "city":"New York" }') === true);
+		assert(isJson('{ "name":"John", "age":31, "city":"New York" }') === true, "This is valid JSON, lib disagrees");
 	});
 	it("recognizes that true and false are both valid JSON", function(){
 		assert(isJson(true) === true);
@@ -15,6 +15,6 @@ describe("isJson.js()", function(){
 		assert(isJson(null) === true);
 	});
 	it("Recognizes that JSON doesn't allow trailing commas (,)", function(){
-		assert(isJson('["a", "b", ]') === false);
+		assert(isJson('["a", "b", ]') === false, "JSON should not allow trailing commas");
 	});
 });