[test] Fix unexpected console warn/error spy swallowing unrelated messages (#23312)

Author: eps1lon

test/utils/mochaHooks.js

@@ -26,11 +26,19 @@ function createUnexpectedConsoleMessagesHooks(Mocha, methodName, expectedMatcher
     ]);
   }
 
+  let originalConsoleMethod;
   mochaHooks.beforeAll.push(function registerConsoleStub() {
+    // eslint-disable-next-line no-console
+    originalConsoleMethod = console[methodName];
     // eslint-disable-next-line no-console
     console[methodName] = logUnexpectedConsoleCalls;
   });
 
+  mochaHooks.afterAll.push(function registerConsoleStub() {
+    // eslint-disable-next-line no-console
+    console[methodName] = originalConsoleMethod;
+  });
+
   mochaHooks.afterEach.push(function flushUnexpectedCalls() {
     const hadUnexpectedCalls = unexpectedCalls.length > 0;
     const formattedCalls = unexpectedCalls.map(