test(showcase): enable FINE level logs for showcase integration tests

Author: lqiu96

java-showcase/gapic-showcase/src/test/java/com/google/showcase/v1beta1/it/ITPostQuantumCryptography.java

@@ -39,6 +39,10 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.logging.ConsoleHandler;
+import java.util.logging.Handler;
+import java.util.logging.Level;
+import java.util.logging.Logger;
 import org.conscrypt.Conscrypt;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
@@ -105,6 +109,23 @@ private static String getCaCertPath() {
 
   @BeforeAll
   static void setUp() throws Exception {
+    Logger rootLogger = Logger.getLogger("");
+    rootLogger.setLevel(Level.FINE);
+    boolean hasConsole = false;
+    for (Handler handler : rootLogger.getHandlers()) {
+      handler.setLevel(Level.FINE);
+      if (handler instanceof ConsoleHandler) {
+        hasConsole = true;
+      }
+    }
+    if (!hasConsole) {
+      ConsoleHandler consoleHandler = new ConsoleHandler();
+      consoleHandler.setLevel(Level.FINE);
+      rootLogger.addHandler(consoleHandler);
+    }
+    Logger.getLogger("com.google.api.gax").setLevel(Level.FINE);
+    Logger.getLogger(HttpJsonConscryptUtils.class.getName()).setLevel(Level.FINE);
+
     File certFile = new File(DEFAULT_CA_CERT_PATH);
     assertWithMessage("CA certificate file not found at " + DEFAULT_CA_CERT_PATH)
         .that(certFile.isFile())

java-showcase/gapic-showcase/src/test/resources/logging.properties

@@ -0,0 +1,7 @@
+handlers = java.util.logging.ConsoleHandler
+.level = INFO
+java.util.logging.ConsoleHandler.level = ALL
+java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
+com.google.api.gax.level = ALL
+com.google.api.gax.httpjson.level = ALL
+com.google.api.gax.httpjson.HttpJsonConscryptUtils.level = ALL