ClangFormat: Fix list declaration

Fixed list declaration indentation.
Fixed function declaration with parameters on the new line.
Added tests for both cases.

Fixes: QTCREATORBUG-25011
Change-Id: Ida4f6ec4f407c5e5b015dc2c0afff110262d9645
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/clangformat/tests/clangformat-test.h

@@ -110,6 +110,8 @@ private slots:
     void testChainedMemberFunctionCalls();
     void testCommentBlock();
     void testClassIndentStructure();
+    void testIndentInitializeVector();
+    void testIndentFunctionArgumentOnNewLine();
 
 private:
     void insertLines(const std::vector<QString> &lines);