Rename mailRestTemplate to plainRestTemplate in RestTemplateConfigTest.

backend/common/src/test/java/dev/rheinsw/shared/rest/RestTemplateConfigTest.java

@@ -10,19 +10,19 @@ class RestTemplateConfigTest {
     private final RestTemplateConfig restTemplateConfig = new RestTemplateConfig();
 
     @Test
-    void mailRestTemplate_shouldReturnNonNullRestTemplate() {
+    void plainRestTemplate_shouldReturnNonNullRestTemplate() {
         // Act
-        RestTemplate restTemplate = restTemplateConfig.mailRestTemplate();
+        RestTemplate restTemplate = restTemplateConfig.plainRestTemplate();
 
         // Assert
         assertNotNull(restTemplate, "RestTemplate should not be null");
     }
 
     @Test
-    void mailRestTemplate_shouldCreateNewInstanceEachTime() {
+    void plainRestTemplate_shouldCreateNewInstanceEachTime() {
         // Act
-        RestTemplate restTemplate1 = restTemplateConfig.mailRestTemplate();
-        RestTemplate restTemplate2 = restTemplateConfig.mailRestTemplate();
+        RestTemplate restTemplate1 = restTemplateConfig.plainRestTemplate();
+        RestTemplate restTemplate2 = restTemplateConfig.plainRestTemplate();
 
         // Assert
         assertNotSame(restTemplate1, restTemplate2, "Each call should create a new RestTemplate instance");