[8.x] Clear recorded calls when calling Http::fake() (#40194)

* clear recorded calls when calling Http::fake()

* apply ci fixes

src/Illuminate/Http/Client/Factory.php

@@ -149,6 +149,8 @@ public function fake($callback = null)
     {
         $this->record();
 
+        $this->recorded = [];
+
         if (is_null($callback)) {
             $callback = function () {
                 return static::response();

tests/Http/HttpClientTest.php

@@ -180,6 +180,23 @@ public function testCanSendFormData()
         });
     }
 
+    public function testRecordedCallsAreEmptiedWhenFakeIsCalled()
+    {
+        $this->factory->fake([
+            'http://foo.com/*' => ['page' => 'foo'],
+        ]);
+
+        $this->factory->get('http://foo.com/test');
+
+        $this->factory->assertSent(function (Request $request) {
+            return $request->url() === 'http://foo.com/test';
+        });
+
+        $this->factory->fake();
+
+        $this->factory->assertNothingSent();
+    }
+
     public function testSpecificRequestIsNotBeingSent()
     {
         $this->factory->fake();