Move examples into tests/fixtures

These aren't examples in the sense Cargo uses them; they're test
fixtures. As such, let's put them in tests/

Fixes #56

tests/manifest.rs

@@ -18,9 +18,9 @@ fn it_gets_the_crate_name_default_path() {
 
 #[test]
 fn it_gets_the_crate_name_provided_path() {
-    assert!(manifest::get_crate_name("./examples/js-hello-world").is_ok());
+    assert!(manifest::get_crate_name("tests/fixtures/js-hello-world").is_ok());
     assert_eq!(
-        manifest::get_crate_name("./examples/js-hello-world").unwrap(),
+        manifest::get_crate_name("tests/fixtures/js-hello-world").unwrap(),
         "js-hello-world"
     );
 }
@@ -45,7 +45,7 @@ fn it_creates_a_package_json_default_path() {
 
 #[test]
 fn it_creates_a_package_json_provided_path() {
-    let path = "./examples/js-hello-world".to_string();
+    let path = "tests/fixtures/js-hello-world".to_string();
     wasm_pack::create_pkg_dir(&path).unwrap();
     assert!(manifest::write_package_json(&path).is_ok());
     let package_json_path = format!("{}/pkg/package.json", &path);

tests/readme.rs

@@ -21,7 +21,7 @@ fn it_copies_a_readme_default_path() {
 
 #[test]
 fn it_creates_a_package_json_provided_path() {
-    let path = "./examples/js-hello-world".to_string();
+    let path = "tests/fixtures/js-hello-world".to_string();
     assert!(readme::copy_from_crate(&path).is_ok());
     let crate_readme_path = format!("{}/README.md", &path);
     let pkg_readme_path = format!("{}/pkg/README.md", &path);