setup fakeoffice for acceptance test

tests/acceptance/features/apiAppProvider/appProvider.feature

@@ -4,7 +4,7 @@ Feature: App Provider
   Scenario: open file with Collabora
     Given user "Alice" has been created with default attributes and without skeleton files
     And user "Alice" has uploaded file "filesForUpload/simple.odt" to "simple.odt"
-    When user "Alice" opens file "simple.odt" with Collabora service
+    When user "Alice" opens file "simple.odt" with collaboration service
     Then the HTTP status code should be "200"
     And the JSON data of the response should match
       """

tests/acceptance/features/bootstrap/SpacesContext.php

@@ -4132,25 +4132,24 @@ class SpacesContext implements Context {
 		);
 	}
 
-    /**
-     * @When user :user opens file :filename with Collabora service
-     *
-     * @param string $user
-     * @param string $filename
-     *
-     * @return void
-     */
-    public function userOpensFileWithCollaboraService(string $user, string $filename): void
-    {
-        $fileId = $this->getFileId($user, "Personal", $filename);
-        $url = $this->featureContext->getBaseUrl() . "/app/open?file_id=$fileId&app_name=Collabora";
-        $this->featureContext->setResponse(
-            HttpRequestHelper::post(
-                $url,
-                $this->featureContext->getStepLineRef(),
-                $user,
-                $this->featureContext->getPasswordForUser($user)
-            )
-        );
-    }
+	/**
+	 * @When user :user opens file :filename with collaboration service
+	 *
+	 * @param string $user
+	 * @param string $filename
+	 *
+	 * @return void
+	 */
+	public function userOpensFileWithCollaborationService(string $user, string $filename): void {
+		$fileId = $this->getFileId($user, "Personal", $filename);
+		$url = $this->featureContext->getBaseUrl() . "/app/open?file_id=$fileId&app_name=FakeOffice";
+		$this->featureContext->setResponse(
+			HttpRequestHelper::post(
+				$url,
+				$this->featureContext->getStepLineRef(),
+				$user,
+				$this->featureContext->getPasswordForUser($user)
+			)
+		);
+	}
 }