change test_* to simple_*

src/test.rs

@@ -60,10 +60,7 @@ impl<'a> Graph<SimpleVertex, SimpleEdge> for SimpleGraph {
 }
 
 #[test]
-fn it_works() {}
-
-#[test]
-fn test_connect() {
+fn simple_connect() {
     let v1 = SimpleVertex { id: 0 };
     let v2 = SimpleVertex { id: 1 };
     let mut g = SimpleGraph {
@@ -78,7 +75,7 @@ fn test_connect() {
 }
 
 #[test]
-fn test_disconnect() {
+fn simple_disconnect() {
     let v1 = SimpleVertex { id: 0 };
     let v2 = SimpleVertex { id: 1 };
     let mut g = SimpleGraph {
@@ -96,6 +93,6 @@ fn test_disconnect() {
 }
 
 #[test]
-fn test_degree() {
+fn simple_degree() {
     todo!()
 }