Issue #2859 updating unit tests.

Author: Mehmet Can Cömert

core/src/test/java/com/predic8/membrane/core/interceptor/server/WebServerInterceptorTest.java

@@ -51,21 +51,20 @@ void noIndex() {
         ws.setGenerateIndex(false);
         ws.handleRequest(exc);
         // No index file is set, and no index page is generated, so throw not found.
-//        System.out.println("exc.getResponse().getBodyAsStringDecoded() = " + exc.getResponse().getBodyAsStringDecoded());
-        assertEquals(500, exc.getResponse().getStatusCode());
+        // System.out.println("exc.getResponse().getBodyAsStringDecoded() = " + exc.getResponse().getBodyAsStringDecoded());
+        assertEquals(404, exc.getResponse().getStatusCode());
     }
 
     @Test
-    void generateIndex() throws Exception {
+    void generateIndex() {
         ws.setGenerateIndex(true);
         ws.handleRequest(exc);
         // No index file is set, but index page is being generated. Body lists the page.html resource.
-        String body = exc.getResponse().getBodyAsStringDecoded();
-//        System.out.println("body = " + body);
-
-        JsonNode json = om.readTree(body);
+        assertEquals(200, exc.getResponse().getStatusCode());
+        assertTrue(exc.getResponse().getHeader().getFirstValue("Content-Type").contains("text/html"));
 
-        assertEquals("Could not resolve file",json.get("title").asText());
-        assertEquals("https://membrane-api.io/problems/internal",json.get("type").asText());
+        String body = exc.getResponse().getBodyAsStringDecoded();
+        assertTrue(body.contains("<a href=\"./index.html\">index.html</a>"));
+        assertTrue(body.contains("<a href=\"./page.html\">page.html</a>"));
     }
-}
+}