Fix tests being run before REPL finishes exiting

Resolves issue as reported in issue comment

#92 (comment)

Author: kgryte

lib/node_modules/@stdlib/repl/test/test.js

@@ -108,17 +108,12 @@ tape( 'the function starts a REPL environment', function test( t ) {
 			return t.end();
 		}
 		t.ok( true, 'starts a REPL' );
-		setTimeout( onTimeout, 0 );
-
-		function onTimeout() {
-			// In Node v0.10, the REPLServer instance does not have a `close()` method...
-			if ( server.close ) {
-				server.close();
-			} else {
-				server.rli.close();
-			}
-			setTimeout( onEnd, 2500 );
-		}
+		server.rli.on( 'close', onClose );
+		server.rli.write( '.exit\n' );
+	}
+
+	function onClose() {
+		setTimeout( onEnd, 1000 );
 	}
 
 	function onEnd() {
@@ -135,17 +130,12 @@ tape( 'the function starts a REPL environment (options)', function test( t ) {
 			return t.end();
 		}
 		t.ok( true, 'starts a REPL' );
-		setTimeout( onTimeout, 0 );
-
-		function onTimeout() {
-			// In Node v0.10, the REPLServer instance does not have a `close()` method...
-			if ( server.close ) {
-				server.close();
-			} else {
-				server.rli.close();
-			}
-			setTimeout( onEnd, 2500 );
-		}
+		server.rli.on( 'close', onClose );
+		server.rli.write( '.exit\n' );
+	}
+
+	function onClose() {
+		setTimeout( onEnd, 1000 );
 	}
 
 	function onEnd() {