Tests: Fix clang warnings about unused variables and captures
tst_qline.cpp(170,12): warning: unused variable 'baseB' [-Wunused-variable] ^
tst_qline.cpp(169,12): warning: unused variable 'baseA' [-Wunused-variable]
tst_qheaderview.cpp(3329,14): warning: lambda capture 'this' is not used [-Wunused-lambda-capture]
waitFor([this, &header, defaultSectionSize]() { return header.sectionSize(0) == defaultSectionSize; });
qheaderview.cpp(3338,14): warning: lambda capture 'this' is not used [-Wunused-lambda-capture]
waitFor([this, &header, defaultSectionSize]() { return header.sectionSize(0) == defaultSectionSize; });
Change-Id: I0245a7b66d15b896e864b488f7a58e8513fbdc6c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>