chore: clarify that = is legal character in measurement name

bednar · bednar · commit 23525d278f7e · 2020-06-26T09:23:06.000+02:00
diff --git a/packages/core/test/fixture/escapeTables.json b/packages/core/test/fixture/escapeTables.json
@@ -21,7 +21,8 @@
     ["a b,c", "a\\ b\\,c"],
     ["new\nline", "new\\nline"],
     ["carriage\rreturn", "carriage\\rreturn"],
-    ["t\tab", "t\\tab"]
+    ["t\tab", "t\\tab"],
+    ["equ=al", "equ=al"]
   ],
   "quoted": [
     ["ab", "\"ab\""],
