[CLOUD-3649] Add example application to run behave test that verifies adding drivers at runtime

tests/examples/test-app-drivers-at-runtime/.s2i/environment

@@ -0,0 +1 @@
+S2I_IMAGE_SOURCE_MOUNTS=extensions

tests/examples/test-app-drivers-at-runtime/extensions/modules/org/postgresql/main/module.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module name="org.postgresql" xmlns="urn:jboss:module:1.8">
+    <resources>
+        <artifact name="org.postgresql:postgresql:9.4.1211"/>
+    </resources>
+    <dependencies>
+        <module name="javax.api"/>
+        <module name="javax.transaction.api"/>
+    </dependencies>
+</module>

tests/examples/test-app-drivers-at-runtime/pom.xml

@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+    JBoss, Home of Professional Open Source
+    Copyright 2015, Red Hat, Inc. and/or its affiliates, and individual
+    contributors by the @authors tag. See the copyright.txt in the
+    distribution for a full listing of individual contributors.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+    http://www.apache.org/licenses/LICENSE-2.0
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>openshift-demo</groupId>
+    <artifactId>demo-postgres</artifactId>
+    <packaging>war</packaging>
+    <version>1.0</version>
+    <name>OpenshiftDemo</name>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+    </properties>
+
+    <description>This project demonstrates how to implement a JAX-RS service that uses JPA persistence to manage tasks</description>
+
+    <licenses>
+        <license>
+            <name>Apache License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.html</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <dependencies>
+        <dependency>
+            <groupId>javax.enterprise</groupId>
+            <artifactId>cdi-api</artifactId>
+            <version>1.1</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.transaction</groupId>
+            <artifactId>jta</artifactId>
+            <version>1.1</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <!-- Import the JPA API, we use provided scope as the API is included in JBoss EAP -->
+        <dependency>
+            <groupId>org.hibernate.javax.persistence</groupId>
+            <artifactId>hibernate-jpa-2.1-api</artifactId>
+            <version>1.0.2</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>javax.xml.bind</groupId>
+            <artifactId>jaxb-api</artifactId>
+            <version>2.3.0</version>
+        </dependency>
+        <!-- Import the JAX-RS API, we use provided scope as the API is included in JBoss EAP -->
+        <dependency>
+            <groupId>org.jboss.spec.javax.ws.rs</groupId>
+            <artifactId>jboss-jaxrs-api_2.0_spec</artifactId>
+            <version>1.0.1.Final</version>
+            <scope>provided</scope>
+        </dependency>
+
+    </dependencies>
+
+    <profiles>
+        <profile>
+            <!-- When built in OpenShift the 'openshift' profile will be used when invoking mvn. -->
+            <!-- Use this profile for any OpenShift specific customization your app will need. -->
+            <!-- By default that is to put the resulting archive into the 'deployments' folder. -->
+            <!-- http://maven.apache.org/guides/mini/guide-building-for-different-environments.html -->
+            <id>openshift</id>
+            <build>
+                <finalName>DemoApp</finalName>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-war-plugin</artifactId>
+                        <version>2.3</version>
+                        <configuration>
+                            <failOnMissingWebXml>false</failOnMissingWebXml>
+                            <outputDirectory>target</outputDirectory>
+                            <warName>ROOT</warName>
+                        </configuration>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+</project>

tests/examples/test-app-drivers-at-runtime/src/main/java/Test.java

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+// a dummy file to force an actual javac in the maven build
+public class Test {
+	int a;
+	int b;
+}
+