test: use strictEqual in test-debug-break

use strictEqual assertions in test-debug-break-on-uncaught.js

PR-URL: nodejs#10181
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Italo A. Casas <me@italoacasas.com
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>

test/debugger/test-debug-break-on-uncaught.js

@@ -100,10 +100,11 @@ function runScenario(scriptName, throwsOnLine, next) {
 
   function assertHasPaused(client) {
     assert(exceptions.length, 'no exceptions thrown, race condition in test?');
-    assert.equal(exceptions.length, 1, 'debugger did not pause on exception');
-    assert.equal(exceptions[0].uncaught, true);
-    assert.equal(exceptions[0].script.name, testScript);
-    assert.equal(exceptions[0].sourceLine + 1, throwsOnLine);
+    assert.strictEqual(exceptions.length, 1,
+                       'debugger did not pause on exception');
+    assert.strictEqual(exceptions[0].uncaught, true);
+    assert.strictEqual(exceptions[0].script.name, testScript);
+    assert.strictEqual(exceptions[0].sourceLine + 1, throwsOnLine);
     asserted = true;
     client.reqContinue(assert.ifError);
   }