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/src/test/erase/pattern_test.cpp b/src/test/erase/pattern_test.cpp
index 358f873..98eb374 100644
--- a/src/test/erase/pattern_test.cpp
+++ b/src/test/erase/pattern_test.cpp
@@ -15,6 +15,10 @@
 #include <gmock/gmock.h>
 #include <gtest/gtest.h>
 
+namespace estoraged_test
+{
+
+using estoraged::Pattern;
 using sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
 
 TEST(pattern, patternPass)
@@ -65,3 +69,5 @@
     EXPECT_NO_THROW(pass.writePattern(size - sizeof(dummyValue)));
     EXPECT_THROW(pass.verifyPattern(size), InternalFailure);
 }
+
+} // namespace estoraged_test