使用带有Selenium WebDriver和NUnit的C#调试Visual Studio 2013

我一直在写一些代码，幸运的是，直到昨天我添加了一些无法正常工作的新功能，它一直工作得很好。因此，我想调试它以找出如何修复它。当我在代码中设置断点并按F5开始调试时，我在控制台中收到以下消息，但它什么也不做。

'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_32'mscorlib'v4.0_4.0.0.0__b77a5c561934e089'mscorlib.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'assembly'GAC_MSIL'Microsoft.VisualStudio.HostingProcess.Utilities'12.0.0.0__b03f5f7f11d50a3a'Microsoft.VisualStudio.HostingProcess.Utilities.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'System.Windows.Forms'v4.0_4.0.0.0__b77a5c561934e089'System.Windows.Forms.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'System.Drawing'v4.0_4.0.0.0__b03f5f7f11d50a3a'System.Drawing.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'System'v4.0_4.0.0.0__b77a5c561934e089'System.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'assembly'GAC_MSIL'Microsoft.VisualStudio.HostingProcess.Utilities.Sync'12.0.0.0__b03f5f7f11d50a3a'Microsoft.VisualStudio.HostingProcess.Utilities.Sync.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'assembly'GAC_MSIL'Microsoft.VisualStudio.Debugger.Runtime'12.0.0.0__b03f5f7f11d50a3a'Microsoft.VisualStudio.Debugger.Runtime.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'DropBox'Automation'Eclipse'Workspace'C'Selenium_EXTMethod'Selenium_ExtMethod'bin'Debug'Selenium.vshost.exe'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'System.Core'v4.0_4.0.0.0__b77a5c561934e089'System.Core.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'System.Xml.Linq'v4.0_4.0.0.0__b77a5c561934e089'System.Xml.Linq.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'System.Data.DataSetExtensions'v4.0_4.0.0.0__b77a5c561934e089'System.Data.DataSetExtensions.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'Microsoft.CSharp'v4.0_4.0.0.0__b03f5f7f11d50a3a'Microsoft.CSharp.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_32'System.Data'v4.0_4.0.0.0__b77a5c561934e089'System.Data.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'Windows'Microsoft.Net'assembly'GAC_MSIL'System.Xml'v4.0_4.0.0.0__b77a5c561934e089'System.Xml.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
The thread 0x1784 has exited with code 259 (0x103).
The thread 0x28d8 has exited with code 259 (0x103).
'Selenium.vshost.exe' (CLR v4.0.30319: Selenium.vshost.exe): Loaded 'C:'DropBox'Automation'Eclipse'Workspace'C'Selenium_EXTMethod'Selenium_ExtMethod'bin'Debug'Selenium.exe'. Symbols loaded.
The thread 0x2244 has exited with code 259 (0x103).
The thread 0x3298 has exited with code 259 (0x103).
The program '[4956] Selenium.vshost.exe' has exited with code 0 (0x0).