chore: use messageId in all rules (#278)

Author: SimenB

src/rules/__tests__/__snapshots__/no-large-snapshots.test.js.snap

@@ -7,7 +7,7 @@ Array [
       "lineCount": 1,
       "lineLimit": 0,
     },
-    "message": "Expected to not encounter a Jest snapshot but was found with {{ lineCount }} lines long",
+    "messageId": "noSnapshot",
     "node": Object {
       "loc": Object {
         "end": Object {
@@ -29,7 +29,7 @@ Array [
       "lineCount": 83,
       "lineLimit": 70,
     },
-    "message": "Expected Jest snapshot to be smaller than {{ lineLimit }} lines but was {{ lineCount }} lines long",
+    "messageId": "tooLongSnapshots",
     "node": Object {
       "loc": Object {
         "end": Object {
@@ -51,7 +51,7 @@ Array [
       "lineCount": 52,
       "lineLimit": 50,
     },
-    "message": "Expected Jest snapshot to be smaller than {{ lineLimit }} lines but was {{ lineCount }} lines long",
+    "messageId": "tooLongSnapshots",
     "node": Object {
       "loc": Object {
         "end": Object {