feat: configure Cargo.toml to include src/tests.rs in test suite

Cargo.toml

@@ -3,6 +3,10 @@ name = "keep"
 version = "0.1.0"
 edition = "2021"
 
+[[test]]
+name = "tests"
+path = "src/tests.rs"
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]

src/tests.rs

@@ -292,3 +292,4 @@ mod tests {
         });
     }
 }
+mod tests;