test: add new lib files to `setup_libs()`

test/test_helper.bash

@@ -57,7 +57,7 @@ function common_setup_file() {
 function setup_libs() {
 	local lib
 	# Use a loop to allow convenient short-circuiting for some test files
-	for lib in "log" "utilities" "helpers" "search" "preexec" "colors" "command_duration"; do
+	for lib in "log" "utilities" "helpers" "search" "colors" "preview" "preexec" "history" "command_duration"; do
 		load "${BASH_IT?}/lib/${lib}.bash" || return
 		# shellcheck disable=SC2015 # short-circuit if we've reached the requested library
 		[[ "${lib}" == "${1:-}" ]] && return 0 || true
@@ -66,7 +66,7 @@ function setup_libs() {
 }
 
 function local_setup_file() {
-	setup_libs "search" # overridable default
+	setup_libs "colors" # overridable default
 }
 
 function local_setup() {