(WIP) NEW test for register_block_variations() method

test/unit/php/includes/core/classes/class-test-block.php

@@ -85,6 +85,28 @@ public function test_register_blocks(): void {
 		$this->assertSame( $blocks, $expected );
 	}
 
+	/**
+	 * Coverage for register_block_variations.
+	 *
+	 * @covers ::register_block_variations
+	 *
+	 * @return void
+	 */
+	public function test_register_block_variations(): void {
+		$this->assertFalse(
+			class_exists( 'GatherPress\Core\Block\Add_To_Calendar' ),
+			'Failed to assert Add_To_Calendar singelton does not yet exist.'
+		);
+
+		// Register our block variations.
+		$instance->register_block_variations();
+
+		$this->assertTrue(
+			class_exists( 'GatherPress\Core\Block\Add_To_Calendar' ),
+			'Failed to assert Add_To_Calendar singelton does exist.'
+		);
+	}
+
 	/**
 	 * Coverage for get_block_variations.
 	 *
@@ -103,4 +125,22 @@ public function test_get_block_variations(): void {
 			'Failed to assert, to get all block variations from the "/src" directory.'
 		);
 	}
+
+	/**
+	 * Coverage for get_classname_from_foldername.
+	 *
+	 * @covers ::get_classname_from_foldername
+	 *
+	 * @return void
+	 */
+	public function test_get_classname_from_foldername(): void {
+		$instance = Block::get_instance();
+		$this->assertSame(
+			'',
+			Utility::invoke_hidden_method( $instance, 'get_classname_from_foldername', array( __DIR__ ) ),
+			'Failed to assert, to get class name from foldername.'
+		);
+	}
+
+
 }