[bugfix] Align line ending for the mock data and the test, and make sure it passes CI

Author: marmoure

src/test/java/com/evolvedbinary/bblValidator/controller/SchemaControllerTest.java

@@ -80,11 +80,11 @@ void schemaList() throws JsonProcessingException {
 
     @Test
     void getSchema() {
-        final String expectedSchema = "version 1.1\r\n" +
-                "@totalColumns 3\r\n" +
-                "c1:\r\n" +
-                "c2:\r\n" +
-                "c3: is(concat($c1,$c2))\r\n";
+        final String expectedSchema = "version 1.1\n" +
+                "@totalColumns 3\n" +
+                "c1:\n" +
+                "c2:\n" +
+                "c3: is(concat($c1,$c2))\n";
         final HttpRequest<Void> request = HttpRequest.GET("/concat");
         // deserialize the request to SchemaInfo
         final HttpResponse<String> response = client.toBlocking().exchange(request, String.class);