fix: add tests for MainFragment and refactor testing modules

shared/src/main/java/com/itsaky/androidide/utils/FileProvider.kt

@@ -62,13 +62,16 @@ class FileProvider {
       }
 
     @JvmStatic
-    private fun testsDir(): Path = projectRoot().resolve("tests")
+    private fun testingDir() = projectRoot().resolve("testing")
 
     @JvmStatic
-    fun testHomeDir(): Path = testsDir().resolve("test-home")
+    private fun testReourcessDir(): Path = testingDir().resolve("resources")
 
     @JvmStatic
-    fun testProjectRoot(): Path = testsDir().resolve("test-project")
+    fun testHomeDir(): Path = testReourcessDir().resolve("test-home")
+
+    @JvmStatic
+    fun testProjectRoot(): Path = testReourcessDir().resolve("test-project")
 
     /**
      * Get the path to the 'resources' directory.

shared/src/main/java/com/itsaky/androidide/utils/miscUtils.kt

@@ -0,0 +1,23 @@
+/*
+ *  This file is part of AndroidIDE.
+ *
+ *  AndroidIDE is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  AndroidIDE is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.itsaky.androidide.utils
+
+@Suppress("UNCHECKED_CAST")
+fun <T> uncheckedCast(obj: Any): T {
+  return obj as T
+}