diff --git a/rusqlite_migration/src/tests/helpers.rs b/rusqlite_migration/src/tests/helpers.rs
index a5973fb..bfb69e5 100644
--- a/rusqlite_migration/src/tests/helpers.rs
+++ b/rusqlite_migration/src/tests/helpers.rs
@@ -18,28 +18,30 @@ pub fn m_valid21() -> M<'static> {
 
 pub fn m_valid_fk() -> M<'static> {
     M::up(
-        "CREATE TABLE fk1(a PRIMARY KEY); \
-        CREATE TABLE fk2( \
-            a, \
-            FOREIGN KEY(a) REFERENCES fk1(a) \
-        ); \
-        INSERT INTO fk1 (a) VALUES ('foo'); \
-        INSERT INTO fk2 (a) VALUES ('foo'); \
-    ",
+        r#"
+        CREATE TABLE fk1(a PRIMARY KEY);
+        CREATE TABLE fk2(
+            a,
+            FOREIGN KEY(a) REFERENCES fk1(a)
+        );
+        INSERT INTO fk1 (a) VALUES ('foo');
+        INSERT INTO fk2 (a) VALUES ('foo');
+    "#,
     )
     .foreign_key_check()
 }
 
 pub fn m_invalid_down_fk() -> M<'static> {
     M::up(
-        "CREATE TABLE fk1(a PRIMARY KEY); \
-        CREATE TABLE fk2( \
-            a, \
-            FOREIGN KEY(a) REFERENCES fk1(a) \
-        ); \
-        INSERT INTO fk1 (a) VALUES ('foo'); \
-        INSERT INTO fk2 (a) VALUES ('foo'); \
-    ",
+        r#"
+        CREATE TABLE fk1(a PRIMARY KEY);
+        CREATE TABLE fk2(
+            a,
+            FOREIGN KEY(a) REFERENCES fk1(a)
+        );
+        INSERT INTO fk1 (a) VALUES ('foo');
+        INSERT INTO fk2 (a) VALUES ('foo');
+    "#,
     )
     .foreign_key_check()
     .down("DROP TABLE fk1;")
@@ -66,14 +68,15 @@ pub fn m_invalid1() -> M<'static> {
 
 pub fn m_invalid_fk() -> M<'static> {
     M::up(
-        "CREATE TABLE fk1(a PRIMARY KEY); \
-        CREATE TABLE fk2( \
-            a, \
-            FOREIGN KEY(a) REFERENCES fk1(a) \
-        ); \
-        INSERT INTO fk2 (a) VALUES ('foo'); \
-        INSERT INTO fk2 (a) VALUES ('bar'); \
-    ",
+        r#"
+        CREATE TABLE fk1(a PRIMARY KEY);
+        CREATE TABLE fk2(
+            a,
+            FOREIGN KEY(a) REFERENCES fk1(a)
+        );
+        INSERT INTO fk2 (a) VALUES ('foo');
+        INSERT INTO fk2 (a) VALUES ('bar');
+    "#,
     )
     .foreign_key_check()
 }
diff --git a/rusqlite_migration/src/tests/snapshots/rusqlite_migration__tests__synch__all_valid_test.snap b/rusqlite_migration/src/tests/snapshots/rusqlite_migration__tests__synch__all_valid_test.snap
new file mode 100644
index 0000000..fa49fe1
--- /dev/null
+++ b/rusqlite_migration/src/tests/snapshots/rusqlite_migration__tests__synch__all_valid_test.snap
@@ -0,0 +1,56 @@
+---
+source: rusqlite_migration/src/tests/synch.rs
+expression: migrations
+---
+Migrations {
+    ms: [
+        M {
+            up: "CREATE TABLE m1(a, b); CREATE TABLE m2(a, b, c);",
+            up_hook: None,
+            down: None,
+            down_hook: None,
+            foreign_key_check: false,
+            comment: None,
+        },
+        M {
+            up: "CREATE TABLE t1(a, b);",
+            up_hook: None,
+            down: None,
+            down_hook: None,
+            foreign_key_check: false,
+            comment: None,
+        },
+        M {
+            up: "ALTER TABLE t1 RENAME COLUMN b TO c;",
+            up_hook: None,
+            down: None,
+            down_hook: None,
+            foreign_key_check: false,
+            comment: None,
+        },
+        M {
+            up: "CREATE TABLE t2(b);",
+            up_hook: None,
+            down: None,
+            down_hook: None,
+            foreign_key_check: false,
+            comment: None,
+        },
+        M {
+            up: "ALTER TABLE t2 ADD COLUMN a;",
+            up_hook: None,
+            down: None,
+            down_hook: None,
+            foreign_key_check: false,
+            comment: None,
+        },
+        M {
+            up: "\n        CREATE TABLE fk1(a PRIMARY KEY);\n        CREATE TABLE fk2(\n            a,\n            FOREIGN KEY(a) REFERENCES fk1(a)\n        );\n        INSERT INTO fk1 (a) VALUES ('foo');\n        INSERT INTO fk2 (a) VALUES ('foo');\n    ",
+            up_hook: None,
+            down: None,
+            down_hook: None,
+            foreign_key_check: true,
+            comment: None,
+        },
+    ],
+}
diff --git a/rusqlite_migration/src/tests/synch.rs b/rusqlite_migration/src/tests/synch.rs
index 99bcc09..efbb8b2 100644
--- a/rusqlite_migration/src/tests/synch.rs
+++ b/rusqlite_migration/src/tests/synch.rs
@@ -366,7 +366,9 @@ fn invalid_down_fk_check_test() {
 
 #[test]
 fn all_valid_test() {
-    assert_eq!(Ok(()), Migrations::new(all_valid()).validate());
+    let migrations = Migrations::new(all_valid());
+    assert_eq!(Ok(()), migrations.validate());
+    insta::assert_debug_snapshot!(migrations)
 }
 
 // If we encounter a database with a migration number higher than the number of defined migration,