Clean up code season 6.

[toastkidjp]

w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\browser\bookmark\ExporterTest.kt: (50, 33): Returning type parameter has been inferred to Nothing implicitly because Nothing is more specific than specified expected type. Please specify type arguments explicitly in accordance with expected type to hide this warning. Nothing can produce an exception at runtime. See KT-36776 for more details.
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\browser\webview\WebSettingApplierTest.kt: (44, 29): 'setSaveFormData(Boolean): Unit' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\browser\webview\WebSettingApplierTest.kt: (74, 44): 'setSaveFormData(Boolean): Unit' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\browser\webview\WebSettingApplierTest.kt: (99, 44): 'setSaveFormData(Boolean): Unit' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\editor\EditTextFinderTest.kt: (41, 48): 'application: Application!' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\libs\TextInputsTest.kt: (21, 66): 'application: Application!' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\main\LocaleWrapperTest.kt: (30, 23): 'locale: Locale!' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\main\LocaleWrapperTest.kt: (37, 23): 'locale: Locale!' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\main\launch\ElseCaseUseCaseTest.kt: (61, 13): Variable 'fragment' is never used
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\main\launch\RandomWikipediaUseCaseTest.kt: (43, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\main\launch\RandomWikipediaUseCaseTest.kt: (62, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\rss\suggestion\RssAddingSuggestionTest.kt: (48, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\rss\suggestion\RssAddingSuggestionTest.kt: (55, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\search\favorite\FavoriteSearchInsertionTest.kt: (56, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\search\favorite\FavoriteSearchInsertionTest.kt: (62, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\search\suggestion\SuggestionParserTest.kt: (21, 25): Type mismatch: inferred type is URI? but URI was expected
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\settings\background\load\ImageStoreServiceTest.kt: (56, 25): 'getRectSize(Rect!): Unit' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\settings\background\load\ImageStoreServiceTest.kt: (73, 39): 'getRectSize(Rect!): Unit' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\settings\color\ColorChooserDialogFragmentTest.kt: (41, 20): Check for instance is always 'true'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\settings\color\DefaultColorInsertionTest.kt: (65, 24): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\tab\TabListTest.kt: (23, 61): 'application: Application!' is deprecated. Deprecated in Java
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\wikipedia\random\RandomWikipediaTest.kt: (54, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\wikipedia\random\RandomWikipediaTest.kt: (60, 21): This declaration is experimental and its usage should be marked with '@kotlinx.coroutines.ExperimentalCoroutinesApi' or '@OptIn(kotlinx.coroutines.ExperimentalCoroutinesApi::class)'
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\wikipedia\random\RandomWikipediaTest.kt: (65, 43): Parameter 's' is never used, could be renamed to _
w: C:\Users\toastkidjp\Documents\workspace\Yobidashi_Android\app\src\test\java\jp\toastkid\yobidashi\wikipedia\random\RandomWikipediaTest.kt: (65, 46): Parameter 'uri' is never used, could be renamed to _