TemplateCharReplace: More tests

Fix case insensitive replace

Tested: Tests pass

Change-Id: I0c650e4761d3c6e464a90ecfe1e2c8b314c2ff57
Signed-off-by: James Feist <james.feist@linux.intel.com>
diff --git a/src/Utils.cpp b/src/Utils.cpp
index 010a55a..4888760 100644
--- a/src/Utils.cpp
+++ b/src/Utils.cpp
@@ -192,8 +192,8 @@
             {
                 std::string val = std::visit(VariantToStringVisitor(),
                                              foundDevicePair.second);
-                boost::replace_all(*strPtr,
-                                   templateChar + foundDevicePair.first, val);
+                boost::ireplace_all(*strPtr,
+                                    templateChar + foundDevicePair.first, val);
                 continue;
             }