Fix the error introduced by the previous change which should finally resolve #4

Author: zapodot

src/main/java/org/zapodot/junit/ldap/EmbeddedLdapRuleBuilder.java

@@ -136,7 +136,7 @@ public EmbeddedLdapRuleBuilder bindingToAddress(final String address) {
      * @return same EmbeddedLdapRuleBuilder instance with the withoutDefaultSchema field set to FALSE
      */
     public EmbeddedLdapRuleBuilder withoutDefaultSchema() {
-        this.addDefaultSchema = true;
+        this.addDefaultSchema = false;
         return this;
     }
 

src/test/java/org/zapodot/junit/ldap/EmbeddedLdapRuleCustomSchemaDuplicatedTest.java

@@ -0,0 +1,23 @@
+package org.zapodot.junit.ldap;
+
+import com.unboundid.ldap.sdk.schema.AttributeTypeDefinition;
+import org.junit.Rule;
+import org.junit.Test;
+
+import static org.junit.Assert.assertNotNull;
+
+public class EmbeddedLdapRuleCustomSchemaDuplicatedTest {
+
+    @Rule
+    public EmbeddedLdapRule embeddedLdapRule = EmbeddedLdapRuleBuilder.newInstance()
+                                                                      .withSchema("standard-schema.ldif")
+                                                                      .build();
+
+    @Test
+    public void testFindCustomAttribute() throws Exception {
+        final AttributeTypeDefinition changelogAttribute =
+                embeddedLdapRule.ldapConnection().getSchema().getAttributeType("changelog");
+        assertNotNull(changelogAttribute);
+
+    }
+}