2 files changed, 8 insertions, 6 deletions
diff --git a/models-sim/models-sim-dmaap/src/test/java/org/onap/policy/sim/dmaap/startstop/MainTest.java b/models-sim/models-sim-dmaap/src/test/java/org/onap/policy/sim/dmaap/startstop/MainTest.java
index 7f4e4b116..baa13a1bb 100644
--- a/models-sim/models-sim-dmaap/src/test/java/org/onap/policy/sim/dmaap/startstop/MainTest.java
+++ b/models-sim/models-sim-dmaap/src/test/java/org/onap/policy/sim/dmaap/startstop/MainTest.java
@@ -22,6 +22,7 @@ package org.onap.policy.sim.dmaap.startstop;
 
 import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 import org.junit.After;
@@ -75,7 +76,7 @@ public class MainTest {
     public void testMain_NoArguments() {
         final String[] NormalParameters = {};
         main = new Main(NormalParameters);
-        assertTrue(main.getParameters() == null);
+        assertNull(main.getParameters());
     }
 
     @Test
@@ -83,7 +84,7 @@ public class MainTest {
         // note: this is missing the "-c" argument, thus the ARGUMENTS are invalid
         final String[] NormalParameters = {"parameters/NormalParameters.json"};
         main = new Main(NormalParameters);
-        assertTrue(main.getParameters() == null);
+        assertNull(main.getParameters());
     }
 
     @Test
@@ -96,6 +97,6 @@ public class MainTest {
     public void testMain_InvalidParameters() {
         final String[] NormalParameters = {"-c", "parameters/InvalidParameters.json"};
         main = new Main(NormalParameters);
-        assertTrue(main.getParameters() == null);
+        assertNull(main.getParameters());
     }
 }
diff --git a/models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/TestPdpSimulatorMain.java b/models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/TestPdpSimulatorMain.java
index de0181b70..0f82e6608 100644
--- a/models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/TestPdpSimulatorMain.java
+++ b/models-sim/policy-models-sim-pdp/src/test/java/org/onap/policy/models/sim/pdp/TestPdpSimulatorMain.java
@@ -24,6 +24,7 @@ package org.onap.policy.models.sim.pdp;
 import static org.assertj.core.api.Assertions.assertThatCode;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;
 
 import org.junit.After;
@@ -81,14 +82,14 @@ public class TestPdpSimulatorMain {
     public void testPdpSimulator_NoArguments() {
         final String[] pdpSimulatorConfigParameters = {};
         pdpSimulator = new PdpSimulatorMain(pdpSimulatorConfigParameters);
-        assertTrue(pdpSimulator.getParameters() == null);
+        assertNull(pdpSimulator.getParameters());
     }
 
     @Test
     public void testPdpSimulator_InvalidArguments() {
         final String[] pdpSimulatorConfigParameters = { "src/test/resourcesPdpSimulatorConfigParameters.json" };
         pdpSimulator = new PdpSimulatorMain(pdpSimulatorConfigParameters);
-        assertTrue(pdpSimulator.getParameters() == null);
+        assertNull(pdpSimulator.getParameters());
     }
 
     @Test
@@ -102,6 +103,6 @@ public class TestPdpSimulatorMain {
         final String[] pdpSimulatorConfigParameters =
             { "-c", "src/test/resources/PdpSimulatorConfigParameters_InvalidName.json" };
         pdpSimulator = new PdpSimulatorMain(pdpSimulatorConfigParameters);
-        assertTrue(pdpSimulator.getParameters() == null);
+        assertNull(pdpSimulator.getParameters());
     }
 }