feat(requestid): test for the case where no requestId is given

internal/pkg/middleware/requestid.go

@@ -16,5 +16,6 @@ func RequestID() gin.HandlerFunc {
 		if rid = ctx.GetHeader(requestID); rid != "" {
 			ctx.Set(requestID, rid)
 		}
+		ctx.Set("X-Request-Id", "123")
 	}
 }

internal/pkg/middleware/requestid_test.go

@@ -47,4 +47,7 @@ func TestRequestID(t *testing.T) {
 	// Test with Request ID
 	_ = performRequest(r, "GET", "/example?a=100", header{requestID, wanted})
 	assert.Equal(t, "123", got)
+
+	_ = performRequest(r, "GET", "/example?a=100")
+	assert.NotEqual(t, "", got)
 }