changes tests configuration

pom.xml

@@ -150,17 +150,11 @@
       	<artifactId>maven-surefire-plugin</artifactId>
         <version>2.4.3</version>
       	<configuration>
-           <!-- for default profile, we want the tests to run quickly, so we
-                avoid the "pertest" fork mode used in release profile. This
-                prevents us from playing with the singletons and hence the few
-                tests that do this cannot be run with the other ones. This is
-                the reason why we exclude them here. In order to run them, the
-                "release" profile must be selected. -->
-           <excludes>
-             <exclude>**/ITRF2000FrameAlternateConfigurationTest.java</exclude>
-             <exclude>**/UTCTAIHistoryFilesLoaderCompressedDataTest.java</exclude>
-             <exclude>**/UTCTAIHistoryFilesLoaderNoDataTest.java</exclude>
-           </excludes>
+           <!-- Some tests play tricks with singletons configuration, using various
+                IERS data folders. These tests cannot share the singletons, so they
+                must be run in separated JVMs. This slows down tests but is needed
+                for tests coverage. So we use a per test mode. -->
+           <forkMode>pertest</forkMode>
       	</configuration>
       </plugin>
       <plugin>
@@ -224,19 +218,6 @@
       <id>release</id>
       <build>
         <plugins>
-           <plugin>
-             <groupId>org.apache.maven.plugins</groupId>
-             <artifactId>maven-surefire-plugin</artifactId>
-             <version>2.4.3</version>
-             <configuration>
-               <!-- for release profile, we run ALL tests, including the few small
-                    ones that play with singletons and hence need to be run on
-                    separate JVM. This implies the "pertest" fork mode which is
-                    quite slow. This is the reason why we use this configuration
-                    only when this profile is selected -->
-               <forkMode>pertest</forkMode>
-             </configuration>
-           </plugin>
            <plugin>
             <groupId>org.apache.maven.plugins</groupId>
             <artifactId>maven-source-plugin</artifactId>