added test for mail notification if space admin delete access to space

tests/acceptance/features/apiNotification/emailNotification.feature

@@ -70,3 +70,24 @@ Feature: Email notification
 
       Click here to view it: %base_url%/f/%space_id%
       """
+
+
+  Scenario: user gets an email notification when space admin unshares a space
+    Given the administrator has assigned the role "Space Admin" to user "Alice" using the Graph API
+    And user "Alice" has created a space "new-space" with the default quota using the GraphApi
+    And user "Alice" shares a space "new-space" with settings:
+      | shareWith | Brian  |
+      | role      | Editor |
+    And the HTTP status code should be "200"
+    When user "Alice" unshares a space "new-space" to user "Brian"
+    Then the HTTP status code should be "200"
+    And user "Brian" should have received the following email from user "Alice" about the share of project space "new-space"
+      """
+      Hello Brian Murphy,
+
+      %displayname% has removed you from "new-space".
+
+      You might still have access through your other groups or direct membership.
+
+      Click here to check it: %base_url%/f/%space_id%
+      """

tests/acceptance/features/bootstrap/NotificationContext.php

@@ -217,8 +217,8 @@ public function userShouldHaveReceivedTheFollowingEmailFromUserAboutTheShareOfPr
 				[
 					"code" => "%space_id%",
 					"function" =>
-						[$this->spacesContext, "getSpaceIdByNameFromResponse"],
-					"parameter" => [$spaceName]
+						[$this->spacesContext, "getSpaceIdByName"],
+					"parameter" => [$sender, $spaceName]
 				],
 			],
 			null,

tests/acceptance/features/bootstrap/SpacesContext.php

@@ -204,6 +204,24 @@ public function getSpaceByName(string $user, string $spaceName): array {
 		return $spaces[$spaceName];
 	}
 
+	/**
+	 * The method finds the space of a user by name and returns the space id
+	 *
+	 * @param string $user
+	 * @param string $spaceName
+	 *
+	 * @return string
+	 * @throws GuzzleException
+	 */
+	public function getSpaceIdByName(string $user, string $spaceName): string {
+		$space = $this->getSpaceByName($user, $spaceName);
+		Assert::assertIsArray($space, "Space with name $spaceName not found");
+		if (!isset($space["id"])) {
+			throw new Exception(__METHOD__ . " space with name $spaceName not found in $space");
+		}
+		return $space["id"];
+	}
+
 	/**
 	 * This method sets space id by Space Name
 	 * This is currently used to set space id from ocis in core so that we can reuse available resource (code) and avoid duplication