test: add test for install without dry-run option

tests/testsuite/install.rs

@@ -2730,3 +2730,24 @@ fn uninstall_running_binary() {
 
 "#]]).run();
 }
+
+#[cargo_test]
+fn dry_run() {
+    pkg("foo", "0.0.1");
+
+    cargo_process("install foo")
+        .with_stderr_data(str![[r#"
+[UPDATING] `dummy-registry` index
+[DOWNLOADING] crates ...
+[DOWNLOADED] foo v0.0.1 (registry `dummy-registry`)
+[INSTALLING] foo v0.0.1
+[COMPILING] foo v0.0.1
+[FINISHED] `release` profile [optimized] target(s) in [ELAPSED]s
+[INSTALLING] [ROOT]/home/.cargo/bin/foo[EXE]
+[INSTALLED] package `foo v0.0.1` (executable `foo[EXE]`)
+[WARNING] be sure to add `[ROOT]/home/.cargo/bin` to your PATH to be able to run the installed binaries
+
+"#]])
+        .run();
+    assert_has_installed_exe(paths::cargo_home(), "foo");
+}