Added some failing tests for the failing config loading when doing cdc

application.go

@@ -104,9 +104,6 @@ func (a *application) loadConfig() (endpoints []mockingjay.FakeEndpoint, err err
 	if newMD5 := md5.Sum(configData); newMD5 != a.yamlMD5 {
 		a.yamlMD5 = newMD5
 		endpoints, err = a.mockingjayLoader(configData)
-		if err != nil {
-			return nil, err
-		}
 	}
 	return
 }

application_test.go

@@ -16,10 +16,15 @@ func TestItFailsWhenTheConfigFileCantBeLoaded(t *testing.T) {
 	app := testApplication()
 	app.configLoader = failingIOUtil
 
-	_, err := app.CreateServer("mockingjay config path", "")
+	configPath := "mockingjay config path"
+	_, err := app.CreateServer(configPath, "")
 
 	assert.NotNil(t, err)
 	assert.Equal(t, err, errIOError)
+
+	compatErr := app.CheckCompatibility(configPath, "some url")
+	assert.NotNil(t, compatErr)
+	assert.Equal(t, err, errIOError)
 }
 
 func TestItFailsWhenTheConfigIsInvalid(t *testing.T) {
@@ -32,6 +37,16 @@ func TestItFailsWhenTheConfigIsInvalid(t *testing.T) {
 	assert.Equal(t, err, errMJLoaderError)
 }
 
+func TestCompatFailsWhenConfigIsInvalid(t *testing.T){
+	app := testApplication()
+	app.mockingjayLoader = failingMockingjayLoader
+
+	err := app.CheckCompatibility("mockingjay config path", "some url")
+
+	assert.NotNil(t, err, "Didnt get an error when the mockingjay config failed to load")
+	assert.Equal(t, err, errMJLoaderError)
+}
+
 func TestItFailsWhenTheMonkeyConfigIsInvalid(t *testing.T) {
 	app := testApplication()