Add endpoint-tests Maven profile (#3553)

This profile is used to run only the generated endpoint tests for a module. This
is helpful when doing automated model updates for a service client, which may
include rules and test updates to make sure that the SDK still builds properly
with such updates.

Author: dagnir

pom.xml

@@ -793,6 +793,51 @@
             </build>
         </profile>
 
+        <profile>
+            <id>endpoint-tests</id>
+            <activation>
+                <property>
+                    <name>doRelease</name>
+                </property>
+            </activation>
+            <properties>
+                <checkstyle.skip>true</checkstyle.skip>
+                <spotbugs.skip>true</spotbugs.skip>
+                <skip.unit.tests>true</skip.unit.tests>
+                <mdep.analyze.skip>true</mdep.analyze.skip>
+                <japicmp.skip>true</japicmp.skip>
+                <javadoc.skip>true</javadoc.skip>
+            </properties>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-failsafe-plugin</artifactId>
+                        <version>${maven-failsafe-plugin.version}</version>
+                        <executions>
+                            <execution>
+                                <phase>integration-test</phase>
+                                <goals>
+                                    <goal>integration-test</goal>
+                                    <goal>verify</goal>
+                                </goals>
+                                <configuration>
+                                    <!-- Sets the VM argument line used when endpoint tests are run. -->
+                                    <argLine>${argLine}</argLine>
+                                    <includes>
+                                        <include>**/*ClientEndpointTests.java</include>
+                                        <include>**/*EndpointProviderTests.java</include>
+                                    </includes>
+                                    <trimStackTrace>false</trimStackTrace>
+                                    <rerunFailingTestsCount>2</rerunFailingTestsCount>
+                                </configuration>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+
         <profile>
             <id>stability-tests</id>
             <activation>