Add namespaces to erase methods

Some erase objects did not have the required namespace. This change adds
the estoraged and estoraged_testing namespace where it is needed.

Testing: Not tested
Change-Id: I63757ea4d3672659f21108e5e65fd09aa1c03406
Signed-off-by: John Edward Broadbent <jebr@google.com>
diff --git a/include/verifyDriveGeometry.hpp b/include/verifyDriveGeometry.hpp
index 3b16641..457297b 100644
--- a/include/verifyDriveGeometry.hpp
+++ b/include/verifyDriveGeometry.hpp
@@ -4,6 +4,9 @@
 
 #include <string_view>
 
+namespace estoraged
+{
+
 class VerifyDriveGeometry : public Erase
 {
   public:
@@ -21,3 +24,5 @@
      */
     void geometryOkay(uint64_t bytes);
 };
+
+} // namespace estoraged