diff --git a/core/src/test/java/com/predic8/membrane/core/openapi/model/MessageTest.java b/core/src/test/java/com/predic8/membrane/core/openapi/model/MessageTest.java
index 948c90468..ea462a6a4 100644
--- a/core/src/test/java/com/predic8/membrane/core/openapi/model/MessageTest.java
+++ b/core/src/test/java/com/predic8/membrane/core/openapi/model/MessageTest.java
@@ -1,16 +1,32 @@
 package com.predic8.membrane.core.openapi.model;
 
-import org.junit.jupiter.api.*;
 
-import static org.junit.jupiter.api.Assertions.*;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import javax.validation.constraints.AssertTrue;
+import java.net.URISyntaxException;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 class MessageTest {
 
-    @BeforeEach
-    void setUp() {
+    @Test
+    void starStarTest() throws URISyntaxException {
+        Request request = Request.post().json().path("/star-star").body("{}");
+        assertTrue(request.isOfMediaType("*/*"));
+    }
+
+    @Test
+    void typeStarTest() throws URISyntaxException {
+        Request request = Request.post().json().path("/star-star").body("{}");
+        assertTrue(request.isOfMediaType("application/*"));
     }
 
     @Test
-    void isOfMediaType() {
+    void starTypeTest() throws URISyntaxException {
+        Request request = Request.post().json().path("/star-star").body("{}");
+        assertFalse(request.isOfMediaType("*/json"));
     }
 }
\ No newline at end of file
diff --git a/core/src/test/java/com/predic8/membrane/core/openapi/validators/ContentTypeWildcardTests.java b/core/src/test/java/com/predic8/membrane/core/openapi/validators/ContentTypeWildcardTests.java
index 639148a04..2e7c250a6 100644
--- a/core/src/test/java/com/predic8/membrane/core/openapi/validators/ContentTypeWildcardTests.java
+++ b/core/src/test/java/com/predic8/membrane/core/openapi/validators/ContentTypeWildcardTests.java
@@ -17,12 +17,6 @@ String getOpenAPIFileName() {
         return "/openapi/specs/content-type-wildcards.yml";
     }
 
-    @Test
-    void contentTypeMatchingSubtype() throws ParseException {
-        ContentType ct = new ContentType("application/*");
-        assertTrue(ct.match(MimeType.APPLICATION_JSON));
-    }
-
     // See https://datatracker.ietf.org/doc/html/rfc7231#appendix-D
     // media-range = ( "*/*" / ( type "/*" ) / ( type "/" subtype ) ) *( OWS
     //    ";" OWS parameter )
@@ -41,9 +35,20 @@ void contentTypeMatchingSwitch() throws ParseException {
     }
 
     @Test
-    void starStarAcceptAll() {
+    void starStarTest() {
         ValidationErrors errors = validator.validate(Request.post().json().path("/star-star").body("{}"));
-//            System.out.println(errors);
+        assertTrue(errors.isEmpty());
+    }
+
+    @Test
+    void starTypeTest() {
+        ValidationErrors errors = validator.validate(Request.post().json().path("/star-json").body("{}"));
+        assertFalse(errors.isEmpty());
+    }
+
+    @Test
+    void typeStarTest() {
+        ValidationErrors errors = validator.validate(Request.post().json().path("/application-star").body("{}"));
         assertTrue(errors.isEmpty());
     }
 }
diff --git a/core/src/test/resources/openapi/specs/content-type-wildcards.yml b/core/src/test/resources/openapi/specs/content-type-wildcards.yml
index adc9e24a3..26646e262 100644
--- a/core/src/test/resources/openapi/specs/content-type-wildcards.yml
+++ b/core/src/test/resources/openapi/specs/content-type-wildcards.yml
@@ -21,13 +21,13 @@ paths:
               schema:
                 type: string
 
-  /text-star:
+  /application-star:
     post:
       requestBody:
         content:
-          'text/*':
+          'application/*':
             schema:
-              type: string
+              type: object
       responses:
         '200':
           description: OK