adds test for is pauseable

tests/lib.cairo

@@ -7,6 +7,8 @@ use openzeppelin_access::ownable::interface::{
 };
 use openzeppelin_upgrades::upgradeable::UpgradeableComponent;
 use openzeppelin_security::pausable::PausableComponent;
+use openzeppelin_security::pausable::PausableComponent::{PausableImpl, InternalImpl};
+use openzeppelin_security::interface::{IPausableDispatcher, IPausableDispatcherTrait};
 use openzeppelin_token::erc1155::ERC1155Component;
 use openzeppelin_token::erc1155::interface::{IERC1155Dispatcher, IERC1155DispatcherTrait};
 use tokenized_bond::utils::constants::{
@@ -24,6 +26,19 @@ use utils::{
     upgrade_class_hash,
 };
 
+#[test]
+fn test_is_paused() {
+    let mut tokenized_bond = ITokenizedBondDispatcher { contract_address: setup() };
+    let pauseable = IPausableDispatcher { contract_address: tokenized_bond.contract_address };
+
+    assert(!pauseable.is_paused(), 'Contract should not be paused');
+
+    start_cheat_caller_address(tokenized_bond.contract_address, OWNER());
+    tokenized_bond.pause();
+
+    assert(pauseable.is_paused(), 'Contract should be paused');
+}
+
 #[test]
 fn test_pause_unpause_functionality() {
     let mut spy = spy_events();
@@ -57,6 +72,16 @@ fn test_pause_not_owner() {
     tokenized_bond.pause();
 }
 
+#[test]
+#[should_panic(expected: 'Pausable: paused')]
+fn test_pause_already_paused() {
+    let mut tokenized_bond = ITokenizedBondDispatcher { contract_address: setup() };
+
+    start_cheat_caller_address(tokenized_bond.contract_address, OWNER());
+    tokenized_bond.pause();
+    tokenized_bond.pause();
+}
+
 #[test]
 #[should_panic(expected: 'Caller is not the owner')]
 fn test_unpause_not_owner() {
@@ -65,6 +90,15 @@ fn test_unpause_not_owner() {
     tokenized_bond.pause();
 }
 
+#[test]
+#[should_panic(expected: 'Pausable: not paused')]
+fn test_unpause_not_paused() {
+    let mut tokenized_bond = ITokenizedBondDispatcher { contract_address: setup() };
+
+    start_cheat_caller_address(tokenized_bond.contract_address, OWNER());
+    tokenized_bond.unpause();
+}
+
 #[test]
 fn test_add_minter() {
     let mut spy = spy_events();