diff --git a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/ToggleReportTest.java b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/ToggleReportTest.java
index 1ada245..d944ac2 100644
--- a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/ToggleReportTest.java
+++ b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/ToggleReportTest.java
@@ -29,7 +29,7 @@
 @SpringBootTest
 @ActiveProfiles("test")
 @ContextConfiguration(classes = ToggleManagerApplication.class)
-public class ToggleReportTest {
+class ToggleReportTest {
 
     @Test
     @DisplayName("toto")
diff --git a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/UntoggleReportTest.java b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/UntoggleReportTest.java
index 8da9b1d..f78fbf1 100644
--- a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/UntoggleReportTest.java
+++ b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/model/UntoggleReportTest.java
@@ -29,7 +29,7 @@
 @SpringBootTest
 @ActiveProfiles("test")
 @ContextConfiguration(classes = ToggleManagerApplication.class)
-public class UntoggleReportTest {
+class UntoggleReportTest {
 
     @Test
     @DisplayName("foo")
diff --git a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/LoadRefsMapFromFileTest.java b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/LoadRefsMapFromFileTest.java
index e1f6e79..d722274 100644
--- a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/LoadRefsMapFromFileTest.java
+++ b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/LoadRefsMapFromFileTest.java
@@ -34,7 +34,7 @@
 @SpringBootTest
 @ActiveProfiles("test")
 @ContextConfiguration(classes = ToggleManagerApplication.class)
-public class LoadRefsMapFromFileTest {
+class LoadRefsMapFromFileTest {
 
     @Autowired
     private ToggleService toggleService;
diff --git a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/TogglePsRefsTest.java b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/TogglePsRefsTest.java
index 6aeaa6c..756e1be 100644
--- a/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/TogglePsRefsTest.java
+++ b/psc-toggle-manager/src/test/java/fr/ans/psc/toggle/service/TogglePsRefsTest.java
@@ -55,7 +55,7 @@ public static void registerPgProperties(DynamicPropertyRegistry propertiesRegist
 
     @Test
     @DisplayName("should successfully toggle PsRefs")
-    public void successfulToggle() {
+    void successfulToggle() {
         httpApiMockServer.stubFor(put("/v2/toggle")
         .willReturn(aResponse().withStatus(200)));
         httpApiMockServer.stubFor(get("/v2/ps/810107517681")
@@ -80,7 +80,7 @@ public void successfulToggle() {
 
     @Test
     @DisplayName("should handle 4xx return codes")
-    public void toggleWithErrors() {
+    void toggleWithErrors() {
         httpApiMockServer.stubFor(put("/v2/toggle").withRequestBody(equalToJson(
                 "{\"returnStatus\":100," +
                         "\"nationalIdRef\":\"0016041030\"," +