Implement Rust CLI tests (#372)

# Description

Closes #365 

Ports all `resolc` CLI tests to Rust and removes the CLI TypeScript
tests.

crates/resolc/src/tests/cli/usage.rs

@@ -0,0 +1,35 @@
+//! The tests for running resolc when expecting usage output.
+
+#![cfg(test)]
+
+use crate::tests::cli::utils;
+
+#[test]
+#[ignore = "Fix: 'resolc --help' should exit with success exit code"]
+fn shows_usage_with_help() {
+    let arguments = &["--help"];
+    let resolc_result = utils::execute_resolc(arguments);
+    utils::assert_command_success(&resolc_result, "Providing the `--help` option");
+
+    assert!(
+        resolc_result.stdout.contains("Usage: resolc"),
+        "Expected the output to contain usage information."
+    );
+
+    let solc_result = utils::execute_solc(arguments);
+    utils::assert_equal_exit_codes(&solc_result, &resolc_result);
+}
+
+#[test]
+fn fails_without_options() {
+    let resolc_result = utils::execute_resolc(&[]);
+    utils::assert_command_failure(&resolc_result, "Omitting options");
+
+    assert!(
+        resolc_result.stderr.contains("Usage: resolc"),
+        "Expected the output to contain usage information."
+    );
+
+    let solc_result = utils::execute_solc(&[]);
+    utils::assert_equal_exit_codes(&solc_result, &resolc_result);
+}