Rename integration tests, so that they are actually executed by failsafe

rather than by surefire

pmd-dist/pom.xml

@@ -160,7 +160,6 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.11</version>
             <scope>test</scope>
         </dependency>
         <dependency>

pmd-dist/src/test/java/net/sourceforge/pmd/it/BinaryDistributionIT.java

@@ -21,20 +21,15 @@ import org.junit.Test;
 
 import net.sourceforge.pmd.PMD;
 
-public class BinaryDistTest {
+public class BinaryDistributionIT {
 
     private File getBinaryDistribution() {
         return new File(".", "target/pmd-bin-" + PMD.VERSION + ".zip");
     }
 
-    private File getSourceDistribution() {
-        return new File(".", "target/pmd-src-" + PMD.VERSION + ".zip");
-    }
-
     @Test
     public void testFileExistence() {
         assertTrue(getBinaryDistribution().exists());
-        assertTrue(getSourceDistribution().exists());
     }
 
     private Set<String> getExpectedFileNames() {

pmd-dist/src/test/java/net/sourceforge/pmd/it/SourceDistributionIT.java

@@ -0,0 +1,24 @@
+/**
+ * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
+ */
+
+package net.sourceforge.pmd.it;
+
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+
+import org.junit.Test;
+
+import net.sourceforge.pmd.PMD;
+
+public class SourceDistributionIT {
+    private File getSourceDistribution() {
+        return new File(".", "target/pmd-src-" + PMD.VERSION + ".zip");
+    }
+
+    @Test
+    public void testFileExistence() {
+        assertTrue(getSourceDistribution().exists());
+    }
+}