Disable regular Hikari log statements during test execution

- Also use mock logger instead of a real one in a few select tests to reduce the log output during tests

src/test/java/fr/xephi/authme/datasource/AbstractSqlDataSourceResourceClosingTest.java

@@ -9,9 +9,11 @@ import org.junit.runners.Parameterized;
 import java.lang.reflect.Method;
 import java.sql.Connection;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.Collection;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import static org.mockito.Mockito.mock;
 
@@ -21,7 +23,7 @@ import static org.mockito.Mockito.mock;
 public abstract class AbstractSqlDataSourceResourceClosingTest extends AbstractResourceClosingTest {
 
     /** List of DataSource method names not to test. */
-    private static final Set<String> IGNORED_METHODS = ImmutableSet.of("reload", "getType");
+    private static final Set<String> IGNORED_METHODS = ImmutableSet.of("reload", "getType", "isCached");
 
     private static Settings settings;
 
@@ -64,12 +66,8 @@ public abstract class AbstractSqlDataSourceResourceClosingTest extends AbstractR
 
     /* Get all methods of the DataSource interface, minus the ones in the ignored list. */
     private static List<Method> getDataSourceMethods() {
-        List<Method> publicMethods = new ArrayList<>();
-        for (Method method : DataSource.class.getDeclaredMethods()) {
-            if (!IGNORED_METHODS.contains(method.getName()) && !method.isSynthetic()) {
-                publicMethods.add(method);
-            }
-        }
-        return publicMethods;
+        return Arrays.stream(DataSource.class.getDeclaredMethods())
+            .filter(method -> !IGNORED_METHODS.contains(method.getName()) && !method.isSynthetic())
+            .collect(Collectors.toList());
     }
 }

src/test/java/fr/xephi/authme/datasource/SQLiteIntegrationTest.java

@@ -47,7 +47,7 @@ public class SQLiteIntegrationTest extends AbstractDataSourceIntegrationTest {
         TestHelper.returnDefaultsForAllProperties(settings);
         set(DatabaseSettings.MYSQL_DATABASE, "sqlite-test");
         set(DatabaseSettings.MYSQL_TABLE, "authme");
-        TestHelper.setRealLogger();
+        TestHelper.setupLogger();
 
         Path sqlInitFile = TestHelper.getJarPath(TestHelper.PROJECT_ROOT + "datasource/sql-initialize.sql");
         // Note ljacqu 20160221: It appears that we can only run one statement per Statement.execute() so we split

src/test/java/fr/xephi/authme/permission/PermissionsManagerInitializationTest.java

@@ -64,7 +64,7 @@ public class PermissionsManagerInitializationTest {
 
     @BeforeClass
     public static void setUpLogger() {
-        TestHelper.setRealLogger();
+        TestHelper.setupLogger();
     }
 
     @Before

src/test/resources/simplelogger.properties

@@ -0,0 +1,2 @@
+# Suppress INFO statements when a new Hikari pool is being created
+org.slf4j.simpleLogger.log.com.zaxxer.hikari=WARN