diff --git a/sonar-jmeter-plugin/pom.xml b/sonar-jmeter-plugin/pom.xml
index 7ad634d..59c057a 100644
--- a/sonar-jmeter-plugin/pom.xml
+++ b/sonar-jmeter-plugin/pom.xml
@@ -18,7 +18,7 @@
   <properties>
     <sonar.pluginClass>org.sonar.plugins.jmeter.JMeterPlugin</sonar.pluginClass>
     <sonar.pluginName>JMeter</sonar.pluginName>
-    <sonar.version>5.1</sonar.version>
+    <sonar.version>4.5.1</sonar.version>
   </properties>
 
   <dependencies>
diff --git a/sonar-jmeter-plugin/src/test/java/org/sonar/plugins/MockSensorContext.java b/sonar-jmeter-plugin/src/test/java/org/sonar/plugins/MockSensorContext.java
index 0a85198..592d816 100644
--- a/sonar-jmeter-plugin/src/test/java/org/sonar/plugins/MockSensorContext.java
+++ b/sonar-jmeter-plugin/src/test/java/org/sonar/plugins/MockSensorContext.java
@@ -27,19 +27,9 @@
 import java.util.Set;
 
 import org.apache.commons.lang.NotImplementedException;
-import org.sonar.api.batch.AnalysisMode;
 import org.sonar.api.batch.Event;
 import org.sonar.api.batch.SensorContext;
-import org.sonar.api.batch.fs.FileSystem;
 import org.sonar.api.batch.fs.InputFile;
-import org.sonar.api.batch.fs.InputPath;
-import org.sonar.api.batch.rule.ActiveRules;
-import org.sonar.api.batch.sensor.dependency.NewDependency;
-import org.sonar.api.batch.sensor.duplication.NewDuplication;
-import org.sonar.api.batch.sensor.highlighting.NewHighlighting;
-import org.sonar.api.batch.sensor.issue.NewIssue;
-import org.sonar.api.batch.sensor.measure.NewMeasure;
-import org.sonar.api.config.Settings;
 import org.sonar.api.design.Dependency;
 import org.sonar.api.measures.Measure;
 import org.sonar.api.measures.MeasuresFilter;
@@ -52,52 +42,66 @@
 @SuppressWarnings("rawtypes")
 public class MockSensorContext implements SensorContext {
 
+    @Override
     public Event createEvent(Resource arg0, String arg1, String arg2, String arg3, Date arg4) {
         throw new NotImplementedException();
     }
 
+    @Override
     public void deleteEvent(Event arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public void deleteLink(String arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public Set<Dependency> getDependencies() {
         throw new NotImplementedException();
     }
 
+    @Override
     public List<Event> getEvents(Resource arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public Collection<Dependency> getIncomingDependencies(Resource arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public <M> M getMeasures(MeasuresFilter<M> arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public <M> M getMeasures(Resource arg0, MeasuresFilter<M> arg1) {
         throw new NotImplementedException();
     }
 
+    @Override
     public Collection<Dependency> getOutgoingDependencies(Resource arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public Dependency saveDependency(Dependency arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public void saveLink(ProjectLink arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public Measure saveMeasure(Measure measure) {
-    if (measure==null) throw new NullPointerException();
+    if (measure==null) {
+        throw new NullPointerException();
+    }
         if (measure.getMetric() == null) {
             throw new RuntimeException("Metric cannot be null");
         }
@@ -105,6 +109,7 @@ public Measure saveMeasure(Measure measure) {
         return measure;
     }
 
+    @Override
     public Measure saveMeasure(Metric metric, Double value) {
         if (value != null) {
             if (Double.isNaN(value)) {
@@ -114,104 +119,73 @@ public Measure saveMeasure(Metric metric, Double value) {
         return new Measure(metric, value);
     }
 
+    @Override
     public Measure saveMeasure(Resource arg0, Measure arg1) {
         throw new NotImplementedException();
     }
 
+    @Override
     public Measure saveMeasure(Resource arg0, Metric arg1, Double arg2) {
         throw new NotImplementedException();
     }
 
+    @Override
     public String saveResource(Resource arg0) {
         throw new NotImplementedException();
     }
 
+    @Override
     public void saveSource(Resource arg0, String arg1) {
         throw new NotImplementedException();
     }
 
+    @Override
     public void saveViolation(Violation arg0) {
         throw new NotImplementedException();
     }
 
-    public void saveViolations(Collection<Violation> arg0) {
-        throw new NotImplementedException();
-    }
-
-    public boolean index(Resource resource) {
-        throw new NotImplementedException();
-    }
-
-    public boolean index(Resource resource, Resource parentReference) {
-        throw new NotImplementedException();
-    }
-
-    public boolean isExcluded(Resource reference) {
-        throw new NotImplementedException();
-    }
-
-    public boolean isIndexed(Resource reference, boolean acceptExcluded) {
-        throw new NotImplementedException();
-    }
-
-    public <R extends Resource> R getResource(R reference) {
-        throw new NotImplementedException();
-    }
-
-    public Resource getParent(Resource reference) {
-        throw new NotImplementedException();
-    }
-
-    public Collection<Resource> getChildren(Resource reference) {
-        throw new NotImplementedException();
-    }
-
-    public void saveViolation(Violation violation, boolean force) {
-        throw new NotImplementedException();
-    }
-
     @Override
-    public Settings settings() {
+    public void saveViolations(Collection<Violation> arg0) {
         throw new NotImplementedException();
     }
 
     @Override
-    public FileSystem fileSystem() {
+    public boolean index(Resource resource) {
         throw new NotImplementedException();
     }
 
     @Override
-    public ActiveRules activeRules() {
+    public boolean index(Resource resource, Resource parentReference) {
         throw new NotImplementedException();
     }
 
     @Override
-    public AnalysisMode analysisMode() {
+    public boolean isExcluded(Resource reference) {
         throw new NotImplementedException();
     }
 
     @Override
-    public <G extends Serializable> NewMeasure<G> newMeasure() {
+    public boolean isIndexed(Resource reference, boolean acceptExcluded) {
         throw new NotImplementedException();
     }
 
     @Override
-    public NewIssue newIssue() {
+    public <R extends Resource> R getResource(R reference) {
         throw new NotImplementedException();
     }
 
     @Override
-    public NewHighlighting newHighlighting() {
+    public Resource getParent(Resource reference) {
         throw new NotImplementedException();
     }
 
     @Override
-    public NewDuplication newDuplication() {
+    public Collection<Resource> getChildren(Resource reference) {
         throw new NotImplementedException();
     }
 
     @Override
-    public NewDependency newDependency() {
+    public void saveViolation(Violation violation, boolean force) {
         throw new NotImplementedException();
     }
 
@@ -235,8 +209,4 @@ public Measure saveMeasure(InputFile inputFile, Measure measure) {
         throw new NotImplementedException();
     }
 
-    @Override
-    public Resource getResource(InputPath inputPath) {
-        throw new NotImplementedException();
-    }
 }