Fix compatibility issue with SQ 6.7 (#70)

Author: jacek-poreda-sonarsource

its/it-tests/src/test/java/com/sonar/scanner/api/it/ScannerApiTestSuite.java

@@ -37,7 +37,11 @@ public class ScannerApiTestSuite {
   @ClassRule
   public static final Orchestrator ORCHESTRATOR = Orchestrator.builderEnv()
     .setSonarVersion(getSystemPropertyOrFail(SONAR_RUNTIME_VERSION))
-    .addPlugin(MavenLocation.of("org.sonarsource.javascript", "sonar-javascript-plugin", "LATEST_RELEASE"))
+    // The scanner api should still be compatible with previous LTS 6.7, and not the 7.9
+    // at the time of writing, so the installed plugins should be compatible with
+    // both 6.7 and 8.x. The latest releases of analysers drop the compatibility with
+    // 6.7, that's why versions are hardcoded here.
+    .addPlugin(MavenLocation.of("org.sonarsource.javascript", "sonar-javascript-plugin", "5.2.1.7778"))
     .build();
 
   private static String getSystemPropertyOrFail(String orchestratorPropertiesSource) {