diff --git a/R/spec-result-roundtrip.R b/R/spec-result-roundtrip.R
index 83d21da6d..f94fbf552 100644
--- a/R/spec-result-roundtrip.R
+++ b/R/spec-result-roundtrip.R
@@ -26,7 +26,7 @@ spec_result_roundtrip <- list(
     sql_names <- paste0("CAST(", int_values, " AS ", dbDataType(con, logical()), ")")
 
     #' with NA for SQL `NULL` values
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(values, sql_names))
   },
 
   data_character = function(ctx, con) {
@@ -36,8 +36,8 @@ spec_result_roundtrip <- list(
     sql_names <- as.character(dbQuoteString(con, values))
 
     #' with NA for SQL `NULL` values
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(values, sql_names))
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(test_funs, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(test_funs, sql_names))
   },
 
   data_raw = function(ctx, con) {
@@ -54,7 +54,7 @@ spec_result_roundtrip <- list(
     sql_names <- ctx$tweaks$blob_cast(DBI::dbQuoteLiteral(con, list(raw(1))))
 
     #' with [NULL] entries for SQL NULL values
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(values, sql_names))
   },
 
   data_date = function(ctx, con) {
@@ -70,7 +70,7 @@ spec_result_roundtrip <- list(
     sql_names <- ctx$tweaks$date_cast(char_values)
 
     #' with NA for SQL `NULL` values
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(values, sql_names))
   },
 
   data_date_current = function(ctx, con) {
@@ -94,7 +94,7 @@ spec_result_roundtrip <- list(
     sql_names <- ctx$tweaks$time_cast(char_values)
 
     #' with NA for SQL `NULL` values
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(time_values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(time_values, sql_names))
   },
 
   data_time_current = function(ctx, con) {
@@ -117,7 +117,7 @@ spec_result_roundtrip <- list(
     sql_names <- ctx$tweaks$timestamp_cast(char_values)
 
     #' with NA for SQL `NULL` values
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(time_values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(time_values, sql_names))
   },
 
   data_timestamp_current = function(ctx, con) {
@@ -148,7 +148,7 @@ spec_result_roundtrip <- list(
     values <- map(char_values, as_numeric_date)
     sql_names <- ctx$tweaks$date_cast(char_values)
 
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(values, sql_names))
   },
 
   data_date_current_typed = function(ctx, con) {
@@ -173,7 +173,7 @@ spec_result_roundtrip <- list(
     timestamp_values <- rep(list(is_timestamp), 2L)
     sql_names <- ctx$tweaks$timestamp_cast(char_values)
 
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(timestamp_values, sql_names))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(timestamp_values, sql_names))
   },
 
   data_timestamp_current_typed = function(ctx, con) {
@@ -207,7 +207,7 @@ spec_result_roundtrip <- list(
     char_values <- c("10000000000", "-10000000000")
     test_values <- as_numeric_identical_to(as.numeric(char_values))
 
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(test_values, char_values))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(test_values, char_values))
   },
 
   #' - Loss of precision when converting to numeric gives a warning
@@ -224,17 +224,17 @@ spec_result_roundtrip <- list(
 
     suppressWarnings(
       expect_warning(
-        test_select(.ctx = ctx, con, .dots = setNames(test_values, char_values), .add_null = "none")
+        test_select(.ctx = ctx, con, !!!setNames(test_values, char_values), .add_null = "none")
       )
     )
     suppressWarnings(
       expect_warning(
-        test_select(.ctx = ctx, con, .dots = setNames(test_values, char_values), .add_null = "above")
+        test_select(.ctx = ctx, con, !!!setNames(test_values, char_values), .add_null = "above")
       )
     )
     suppressWarnings(
       expect_warning(
-        test_select(.ctx = ctx, con, .dots = setNames(test_values, char_values), .add_null = "below")
+        test_select(.ctx = ctx, con, !!!setNames(test_values, char_values), .add_null = "below")
       )
     )
   },
@@ -251,7 +251,7 @@ spec_result_roundtrip <- list(
     char_values <- c("1234567890123456789", "-1234567890123456789")
     test_values <- as_character_equals_to(char_values)
 
-    test_select_with_null(.ctx = ctx, con, .dots = setNames(test_values, char_values))
+    test_select_with_null(.ctx = ctx, con, !!!setNames(test_values, char_values))
   },
   #
   NULL
@@ -264,9 +264,14 @@ test_select_with_null <- function(...) {
   test_select(..., .add_null = "below")
 }
 
-test_select <- function(con, ..., .dots = NULL, .add_null = "none",
-                        .ctx, .envir = parent.frame()) {
-  values <- c(list(...), .dots)
+test_select <- function(
+    con,
+    ...,
+    .add_null = "none",
+    .ctx,
+    .envir = parent.frame()) {
+
+  values <- list2(...)
 
   value_is_formula <- map_lgl(values, is.call)
   names(values)[value_is_formula] <- map(values[value_is_formula], "[[", 2L)