Adapt test to fixed command output.

No user and non-existing user are now correctly treated as two separated
 cases

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>

apps/encryption/tests/Command/FixEncryptedVersionTest.php

@@ -333,9 +333,6 @@ The file \"/$this->userId/files/sub/hello.txt\" is: OK", $output);
 		$this->assertStringNotContainsString('world.txt', $output);
 	}
 
-	/**
-	 * Test commands with a directory path
-	 */
 	public function testExecuteWithNoUser() {
 		$this->util->expects($this->once())->method('isMasterKeyEnabled')
 			->willReturn(true);
@@ -347,6 +344,20 @@ The file \"/$this->userId/files/sub/hello.txt\" is: OK", $output);
 
 		$output = $this->commandTester->getDisplay();
 
+		$this->assertStringContainsString('No user id provided', $output);
+	}
+
+	public function testExecuteWithBadUser() {
+		$this->util->expects($this->once())->method('isMasterKeyEnabled')
+			->willReturn(true);
+
+		$this->commandTester->execute([
+			'user' => 'nonexisting',
+			'--path' => "/"
+		]);
+
+		$output = $this->commandTester->getDisplay();
+
 		$this->assertStringContainsString('does not exist', $output);
 	}