fix(backend): Provide application.yaml for testing

legalconsenthub-backend/src/test/resources/application.yaml

@@ -0,0 +1,10 @@
+spring:
+  application:
+    name: legalconsenthub
+
+  security:
+    oauth2:
+      resourceserver:
+        jwt:
+          issuer-uri: ${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI:http://localhost:7080}
+          jwk-set-uri: ${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI:http://localhost:7080}