diff --git a/.travis.yml b/.travis.yml
index b0be0e5..4104533 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,15 +13,17 @@ env:
     - DOCKER_CFG=$HOME/.docker
     - DOCKER_REPO="viniciusam/oracledb"
     - MAVEN_HOME=/usr/local/maven
-    - DB_USER=app
-    - DB_PASS=app
+    - MAVEN_CFG=$HOME/.m2
+    - API_DB_URL="127.0.0.1:1521:XE"
+    - API_DB_USER=api
+    - API_DB_PASS=api
   matrix:
     - ORACLE_VERSION="11g-xe-r2" CONNECTION_STR="127.0.0.1:1521/XE" DOCKER_OPTIONS="--shm-size=1g"
 
 cache:
   directories:
     - $DOCKER_CFG
-    - $HOME/.m2
+    - $MAVEN_CFG
     - $MAVEN_HOME/lib/ext # Used to cache wagon-http lib.
 
 install:
diff --git a/.travis/create_app_user.sh b/.travis/create_api_user.sh
similarity index 83%
rename from .travis/create_app_user.sh
rename to .travis/create_api_user.sh
index 6102082..d273450 100644
--- a/.travis/create_app_user.sh
+++ b/.travis/create_api_user.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -ev
 
-sqlplus -S -L sys/oracle@//$CONNECTION_STR AS SYSDBA <<EOF
+sqlplus -S -L / AS SYSDBA <<EOF
 create user $DB_USER identified by $DB_PASS
 quota unlimited on USERS
 default tablespace USERS;
diff --git a/.travis/install_utplsql.sh b/.travis/install_utplsql.sh
index abe6f02..e58a473 100644
--- a/.travis/install_utplsql.sh
+++ b/.travis/install_utplsql.sh
@@ -23,10 +23,11 @@ EOF
 # docker cp ./$UTPLSQL_FILE.tar.gz $ORACLE_VERSION:/$UTPLSQL_FILE.tar.gz
 docker cp ./$UTPLSQL_FILE $ORACLE_VERSION:/$UTPLSQL_FILE
 docker cp ./install.sh.tmp $ORACLE_VERSION:/install.sh
+docker cp ./create_api_user.sh $ORACLE_VERSION:/create_api_user.sh
 
 # Remove temporary files.
 # rm $UTPLSQL_FILE.tar.gz
 rm install.sh.tmp
 
 # Execute the utPLSQL installation inside the container.
-docker exec $ORACLE_VERSION bash install.sh
+docker exec $ORACLE_VERSION bash -c "install.sh && create_api_user.sh"
diff --git a/.travis/maven_cfg.sh b/.travis/maven_cfg.sh
index b4f7757..f119682 100644
--- a/.travis/maven_cfg.sh
+++ b/.travis/maven_cfg.sh
@@ -2,11 +2,8 @@
 set -ev
 cd $(dirname $(readlink -f $0))
 
-mavenSettings=$HOME/.m2/settings.xml
-mavenCached=$HOME/.m2/.cached
-
-if [ -f $mavenCached ]; then
-    echo "Using cached maven user config..."
+if [ -f $MAVEN_CFG/repository ]; then
+    echo "Using cached maven dependencies..."
     exit 0
 fi
 
@@ -21,8 +18,7 @@ curl -L -O "http://central.maven.org/maven2/org/apache/maven/wagon/wagon-http/2.
 sudo mv wagon-http-2.8-shaded.jar $MAVEN_HOME/lib/ext/
 
 # Create the settings file with oracle server config.
-cp settings.tmpl.xml $mavenSettings
-sed -i -e "s|###USERNAME###|$ORACLE_OTN_USER|g" $mavenSettings
-sed -i -e "s|###PASSWORD###|$ORACLE_OTN_PASSWORD|g" $mavenSettings
-
-touch $mavenCached
+cp settings.xml $MAVEN_CFG/settings.xml
+#cp settings.tmpl.xml $MAVEN_CFG/settings.xml
+#sed -i -e "s|###USERNAME###|$ORACLE_OTN_USER|g" $MAVEN_CFG/settings.xml
+#sed -i -e "s|###PASSWORD###|$ORACLE_OTN_PASSWORD|g" $MAVEN_CFG/settings.xml
diff --git a/src/main/java/io/github/utplsql/api/types/CustomTypes.java b/src/main/java/io/github/utplsql/api/types/CustomTypes.java
index 4a854fd..14f3893 100644
--- a/src/main/java/io/github/utplsql/api/types/CustomTypes.java
+++ b/src/main/java/io/github/utplsql/api/types/CustomTypes.java
@@ -1,14 +1,13 @@
 package io.github.utplsql.api.types;
 
 /**
- * Created by Vinicius on 13/04/2017.
- * DBHelper custom data types.
+ * Database custom data types.
  */
 public enum CustomTypes {
     // Object names must be upper case.
     UT_DOCUMENTATION_REPORTER("UT_DOCUMENTATION_REPORTER"),
     UT_COVERAGE_HTML_REPORTER("UT_COVERAGE_HTML_REPORTER"),
-    UT_VARCHAF2_LIST("UT_VARCHAR2_LIST");
+    UT_VARCHAR2_LIST("UT_VARCHAR2_LIST");
 
     private String typeName;
 
diff --git a/src/test/java/io/github/utplsql/api/OutputBufferTest.java b/src/test/java/io/github/utplsql/api/OutputBufferTest.java
index c8ea674..c3fe2b0 100644
--- a/src/test/java/io/github/utplsql/api/OutputBufferTest.java
+++ b/src/test/java/io/github/utplsql/api/OutputBufferTest.java
@@ -21,7 +21,7 @@
 public class OutputBufferTest {
 
     @Rule
-    public static final DatabaseRule db = new DatabaseRule();
+    public final DatabaseRule db = new DatabaseRule();
 
     public BaseReporter createReporter() throws SQLException {
         Connection conn = db.newConnection();
diff --git a/src/test/java/io/github/utplsql/api/TestRunnerTest.java b/src/test/java/io/github/utplsql/api/TestRunnerTest.java
index 23135cc..f273589 100644
--- a/src/test/java/io/github/utplsql/api/TestRunnerTest.java
+++ b/src/test/java/io/github/utplsql/api/TestRunnerTest.java
@@ -16,7 +16,7 @@
 public class TestRunnerTest {
 
     @Rule
-    public static final DatabaseRule db = new DatabaseRule();
+    public final DatabaseRule db = new DatabaseRule();
 
     @Test
     public void runWithDocumentationReporter() {
diff --git a/src/test/java/io/github/utplsql/api/rules/DatabaseRule.java b/src/test/java/io/github/utplsql/api/rules/DatabaseRule.java
index 5828ba3..7806c2c 100644
--- a/src/test/java/io/github/utplsql/api/rules/DatabaseRule.java
+++ b/src/test/java/io/github/utplsql/api/rules/DatabaseRule.java
@@ -18,9 +18,9 @@ public class DatabaseRule extends ExternalResource {
     private static String sPass;
 
     static {
-        sUrl  = System.getenv("DB_URL")  != null ? System.getenv("DB_URL")  : "127.0.0.1:1521:XE";
-        sUser = System.getenv("DB_USER") != null ? System.getenv("DB_USER") : "app";
-        sPass = System.getenv("DB_PASS") != null ? System.getenv("DB_PASS") : "app";
+        sUrl  = System.getenv("API_DB_URL")  != null ? System.getenv("API_DB_URL")  : "127.0.0.1:1521:XE";
+        sUser = System.getenv("API_DB_USER") != null ? System.getenv("API_DB_USER") : "app";
+        sPass = System.getenv("API_DB_PASS") != null ? System.getenv("API_DB_PASS") : "app";
     }
 
     private List<Connection> connectionList;