Moved test resource to proper location

Author: wexom

core/src/test/java/org/openapitools/openapidiff/core/SchemaDiffTest.java

@@ -443,8 +443,8 @@ public void testAllOfDiff() {
   void renderShowsNoDifferencesWhenCSVMediaTypeResponseExampleIsByteArray() {
     ChangedOpenApi changedOpenApi =
         OpenApiCompare.fromLocations(
-            "issue-828-binary-example-for-csv-media-type.yaml",
-            "issue-828-binary-example-for-csv-media-type.yaml");
+            "schemaDiff/issue-828-binary-example-for-csv-media-type.yaml",
+            "schemaDiff/issue-828-binary-example-for-csv-media-type.yaml");
 
     assertThat(changedOpenApi).isNotNull();