Ignore intermediate build files for tests.

.gitignore

 ./paths.sh
+*.lo
+*.x 
 
 # Created by https://www.gitignore.io/api/cpp
 # Edit at https://www.gitignore.io/?templates=cpp
@@ -129,3 +131,27 @@ _deps
 *-prefix/
 
 # End of https://www.gitignore.io/api/cmake
+
+# Created by https://www.gitignore.io/api/tags
+# Edit at https://www.gitignore.io/?templates=tags
+
+### Tags ###
+# Ignore tags created by etags, ctags, gtags (GNU global) and cscope
+TAGS
+.TAGS
+!TAGS/
+tags
+.tags
+!tags/
+gtags.files
+GTAGS
+GRTAGS
+GPATH
+GSYMS
+cscope.files
+cscope.out
+cscope.in.out
+cscope.po.out
+
+
+# End of https://www.gitignore.io/api/tags