config: unix line endings in tests

config/test-fixtures/import.tf

@@ -1,12 +1,12 @@
-import "import/one.tf";
-
-variable "foo" {
-    default = "bar";
-    description = "bar";
-}
-
-provider "aws" {
-    foo = "bar";
-}
-
-resource "aws_security_group" "web" {}
+import "import/one.tf";
+
+variable "foo" {
+    default = "bar";
+    description = "bar";
+}
+
+provider "aws" {
+    foo = "bar";
+}
+
+resource "aws_security_group" "web" {}