Move snapshot tests into separate module

tests/tests.rs

@@ -1,8 +1,9 @@
 mod tester;
 
-use tester::BatTester;
+mod snapshot {
+    use tester::BatTester;
 
-macro_rules! snapshot_tests {
+    macro_rules! snapshot_tests {
         ($($test_name: ident: $style: expr => [wrap: $wrap:expr, tabs: $tabs:expr],)*) => {
             $(
                 #[test]
@@ -12,9 +13,9 @@ macro_rules! snapshot_tests {
                 }
             )*
         };
-}
+    }
 
-snapshot_tests! {
+    snapshot_tests! {
         changes:                     "changes"                     => [wrap: false, tabs: 8],
         grid:                        "grid"                        => [wrap: false, tabs: 8],
         header:                      "header"                      => [wrap: false, tabs: 8],
@@ -38,4 +39,5 @@ snapshot_tests! {
         tabs_passthrough:            "full"                        => [wrap: false, tabs: 0],
         tabs_4:                      "full"                        => [wrap: false, tabs: 4],
         tabs_8:                      "full"                        => [wrap: false, tabs: 8],
+    }
 }