fix: Add config and registry clearing to TestLogWritesMessagesToFeedb…

…ackLog (#596)

Relevant issue(s)
Resolves #595

Description
This PR fixes an issues where the troubled test function, when running before another test function that specified an empty log path slice, would cause the config global to keep an invalid output path in memory.

logging/logging_test.go

@@ -580,6 +580,8 @@ func getFeedbackLogLevelTestCase() []LogLevelTestCase {
 }
 
 func TestLogWritesMessagesToFeedbackLog(t *testing.T) {
+	defer clearConfig()
+	defer clearRegistry("TestLogName")
 	for i, tc := range getFeedbackLogLevelTestCase() {
 		ctx := context.Background()
 		b := &bytes.Buffer{}
@@ -616,6 +618,8 @@ func TestLogWritesMessagesToFeedbackLog(t *testing.T) {
 		}
 
 		assert.Equal(t, logMessage+"\n", b.String())
+
+		clearRegistry("TestLogName")
 	}
 }