Add rust_test with rust_aconfig_library in test mode

Using test mode in aconfig  allows us to override the flag for unit
testing

Test: atest aconfig.test_mode.test.rust
Change-Id: I890fb20fd8cf83e6033defc7093430e3a77e4de4
diff --git a/tools/aconfig/tests/aconfig_test.rs b/tools/aconfig/tests/aconfig_prod_mode_test.rs
similarity index 100%
rename from tools/aconfig/tests/aconfig_test.rs
rename to tools/aconfig/tests/aconfig_prod_mode_test.rs
diff --git a/tools/aconfig/tests/aconfig_test_mode_test.rs b/tools/aconfig/tests/aconfig_test_mode_test.rs
new file mode 100644
index 0000000..7d40a44
--- /dev/null
+++ b/tools/aconfig/tests/aconfig_test_mode_test.rs
@@ -0,0 +1,23 @@
+#[test]
+fn test_flags() {
+    assert!(!aconfig_test_rust_library::disabled_ro());
+    assert!(!aconfig_test_rust_library::disabled_rw());
+    // TODO: Fix template to not default both disabled and enabled to false
+    assert!(!aconfig_test_rust_library::enabled_ro());
+    assert!(!aconfig_test_rust_library::enabled_rw());
+
+    aconfig_test_rust_library::set_disabled_ro(true);
+    assert!(aconfig_test_rust_library::disabled_ro());
+    aconfig_test_rust_library::set_disabled_rw(true);
+    assert!(aconfig_test_rust_library::disabled_rw());
+    aconfig_test_rust_library::set_enabled_ro(true);
+    assert!(aconfig_test_rust_library::enabled_ro());
+    aconfig_test_rust_library::set_enabled_rw(true);
+    assert!(aconfig_test_rust_library::enabled_rw());
+
+    aconfig_test_rust_library::reset_flags();
+    assert!(!aconfig_test_rust_library::disabled_ro());
+    assert!(!aconfig_test_rust_library::disabled_rw());
+    assert!(!aconfig_test_rust_library::enabled_ro());
+    assert!(!aconfig_test_rust_library::enabled_rw());
+}