Add logger init/tearDown to test (necessary for debugging this test).

Author: littleaj

ApplicationInsightsInternalLogger/src/main/java/com/microsoft/applicationinsights/internal/logger/InternalLogger.java

@@ -204,6 +204,11 @@ public void stop() {
             loggingLevel = LoggingLevel.OFF;
         }
     }
+    /* VisibleForTesting */
+    void reset() {
+        INSTANCE.stop();
+        INSTANCE.initialized = false;
+    }
 
     public boolean isTraceEnabled() {
         return loggingLevel.getValue() <= LoggingLevel.TRACE.getValue();

core/src/test/java/com/microsoft/applicationinsights/internal/channel/common/ActiveTransmissionLoaderTest.java

@@ -23,10 +23,13 @@
 
 import java.io.File;
 import java.io.IOException;
+import java.util.HashMap;
 import java.util.concurrent.TimeUnit;
 
 import com.microsoft.applicationinsights.internal.channel.TransmissionDispatcher;
-import org.junit.Test;
+import com.microsoft.applicationinsights.internal.logger.InternalLogger;
+import com.microsoft.applicationinsights.internal.logger.LoggerTestHelper;
+import org.junit.*;
 import org.mockito.Mockito;
 
 import org.apache.commons.io.FileUtils;
@@ -38,6 +41,16 @@
 public class ActiveTransmissionLoaderTest {
     private final static String TEMP_TEST_FOLDER = "TransmissionTests";
 
+    @BeforeClass
+    public static void initLogger() {
+        InternalLogger.INSTANCE.initialize("CONSOLE", new HashMap<String, String>());
+    }
+
+    @AfterClass
+    public static void tearDownLogger() {
+        LoggerTestHelper.resetInternalLogger();
+    }
+
     @Test(expected = NullPointerException.class)
     public void testNullFileSystem() throws Exception {
         new ActiveTransmissionLoader(null, Mockito.mock(TransmissionDispatcher.class), mockStateFetcher(), 1);

core/src/test/java/com/microsoft/applicationinsights/internal/logger/LoggerTestHelper.java

@@ -0,0 +1,7 @@
+package com.microsoft.applicationinsights.internal.logger;
+
+public class LoggerTestHelper {
+    public static void resetInternalLogger() {
+        InternalLogger.INSTANCE.reset();
+    }
+}