moved testinput.I to tests/build/build_test.I

tests/build/build_test.I

@@ -0,0 +1,13 @@
+
+[tokens]
+
+ASSIGN     :=
+DASSIGN    :==
+IDENTIFIER [a-zA-Z_][a-zA-Z_0-9]*
+
+[rules]
+
+Assignment := IDENTIFIER ASSIGN Expression
+
+Expression := IDENTIFIER \
+            | Assignment