Use different tests for redactions (#578)

They're currently pointing to the same test file with different
expressions, which causes volatile results given the `id`s are different

Author: max-sixty

insta/tests/snapshots/test_redaction__with_random_value_and_trailing_comma_match.snap renamed to insta/tests/snapshots/test_redaction__with_random_value.snap

@@ -1,9 +1,8 @@
 ---
-source: tests/test_redaction.rs
-expression: "&User {\n        id: 11,\n        username: \"john_doe\".to_string(),\n        email: Email(\"[email protected]\".to_string()),\n        extra: \"\".to_string(),\n    }"
+source: insta/tests/test_redaction.rs
+expression: "&User {\n        id: 42,\n        username: \"john_doe\".to_string(),\n        email: Email(\"[email protected]\".to_string()),\n        extra: \"\".to_string(),\n    }"
 ---
 id: "[id]"
 username: john_doe
 email: john@example.com
 extra: ""
-

insta/tests/snapshots/test_redaction__user.snap renamed to insta/tests/snapshots/test_redaction__with_random_value_and_trailing_comma.snap

@@ -0,0 +1,8 @@
+---
+source: insta/tests/test_redaction.rs
+expression: "&User {\n        id: 23,\n        username: \"john_doe\".to_string(),\n        email: Email(\"[email protected]\".to_string()),\n        extra: \"\".to_string(),\n    }"
+---
+id: "[id]"
+username: john_doe
+email: john@example.com
+extra: ""

insta/tests/snapshots/test_redaction__with_random_value_inline_callback.snap

@@ -46,7 +46,7 @@ pub struct User {
 #[cfg(feature = "yaml")]
 #[test]
 fn test_with_random_value() {
-    assert_yaml_snapshot!("user", &User {
+    assert_yaml_snapshot!(&User {
         id: 42,
         username: "john_doe".to_string(),
         email: Email("[email protected]".to_string()),
@@ -59,7 +59,7 @@ fn test_with_random_value() {
 #[cfg(feature = "yaml")]
 #[test]
 fn test_with_random_value_inline_callback() {
-    assert_yaml_snapshot!("user", &User {
+    assert_yaml_snapshot!(&User {
         id: 23,
         username: "john_doe".to_string(),
         email: Email("[email protected]".to_string()),
@@ -76,7 +76,7 @@ fn test_with_random_value_inline_callback() {
 #[cfg(feature = "yaml")]
 #[test]
 fn test_with_random_value_and_trailing_comma() {
-    assert_yaml_snapshot!("user", &User {
+    assert_yaml_snapshot!(&User {
         id: 11,
         username: "john_doe".to_string(),
         email: Email("[email protected]".to_string()),