test: physical: Fix readability-identifier-naming
```
/home/andrew/src/openbmc/phosphor-led-sysfs/build/../test/physical.cpp:15:10: error: invalid case style for function 'create_sandbox' [readability-identifier-naming,-warnings-as-errors]
fs::path create_sandbox()
^~~~~~~~~~~~~~
createSandbox
```
Change-Id: I21a46563c5d75e27eff3ab1ffcc25e96025157e8
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
diff --git a/test/physical.cpp b/test/physical.cpp
index adf5d06..5058049 100644
--- a/test/physical.cpp
+++ b/test/physical.cpp
@@ -12,7 +12,7 @@
using Action = sdbusplus::xyz::openbmc_project::Led::server::Physical::Action;
namespace fs = std::filesystem;
-fs::path create_sandbox()
+fs::path createSandbox()
{
/* If your tests need to touch the filesystem, always use mkdtemp() or
* mkstemp() for creating directories and files. Tests can be run in
@@ -45,7 +45,7 @@
{
public:
/* Use a no-args ctor here to avoid headaches with {Nice,Strict}Mock */
- MockLed() : SysfsLed(create_sandbox())
+ MockLed() : SysfsLed(createSandbox())
{}
virtual ~MockLed()