Run ITs with SQ 5.2/5.1.2/LTS

.travis.yml

 env:
   - TESTS=CI
   - TESTS=IT-DEV
+  - TESTS=IT-DEV-SQ51
+  - TESTS=IT-DEV-LTS
 
 matrix:
   fast_finish: true

it/src/test/java/com/sonar/runner/it/CacheTest.java

  */
 package com.sonar.runner.it;
 
+import org.junit.Assume;
+
 import org.junit.BeforeClass;
 import org.junit.rules.TemporaryFolder;
 import org.junit.Rule;
 
   @Test
   public void testIssuesMode() throws IOException {
+    Assume.assumeTrue(orchestrator.getServer().version().isGreaterThanOrEquals("5.2"));
+    
     // online, without cache -> should sync
     ensureStarted();
     SonarRunner build = createRunner("issues", true);
 
   @Test
   public void testPublishModeOffline() throws IOException {
+    Assume.assumeTrue(orchestrator.getServer().version().isGreaterThanOrEquals("5.2"));
+    
     // online (cache not used)
     ensureStarted();
     SonarRunner build = createRunner("publish");

it/src/test/java/com/sonar/runner/it/JavaTest.java

 
     SonarRunner build = newRunner(new File("projects/java-sample"))
       .setProperty("sonar.verbose", "true")
-      .addArguments("-e", "-X");
+      .addArguments("-e");
     // SONARPLUGINS-3061
     // Add a trailing slash
     build.setProperty("sonar.host.url", orchestrator.getServer().getUrl() + "/");

travis.sh

   mvn -DsonarRunner.version="2.5-SNAPSHOT" -Dsonar.runtimeVersion="DEV" -Dmaven.test.redirectTestOutputToFile=false install
   ;;
 
+IT-DEV-SQ51)
+  installTravisTools
+
+  mvn install -Dsource.skip=true -Denforcer.skip=true -Danimal.sniffer.skip=true -Dmaven.test.skip=true
+
+  cd it
+  mvn -DsonarRunner.version="2.5-SNAPSHOT" -Dsonar.runtimeVersion="5.1.2" -Dmaven.test.redirectTestOutputToFile=false install
+  ;;
+
+IT-DEV-LTS)
+  installTravisTools
+
+  mvn install -Dsource.skip=true -Denforcer.skip=true -Danimal.sniffer.skip=true -Dmaven.test.skip=true
+
+  cd it
+  mvn -DsonarRunner.version="2.5-SNAPSHOT" -Dsonar.runtimeVersion="4.5.5" -Dmaven.test.redirectTestOutputToFile=false install
+  ;;
+
 esac