Updates unit tests for fallback message changes

Change-Id: Ib30cd5239d814868d8818a1b7b43fcbc202f8e52
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java
index 46baea0..78f3ad7 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/ChangeMergedMessageGeneratorTest.java
@@ -201,7 +201,7 @@
                 "  \"channel\": \"#testchannel\",\n" +
                 "  \"attachments\": [\n" +
                 "    {\n" +
-                "      \"fallback\": \"Unit Tester merged - testproject (master) - change 1234 - https://change/\",\n" +
+                "      \"fallback\": \"Unit Tester merged - testproject (master) - https://change/ - This is a title\",\n" +
                 "      \"pretext\": \"Unit Tester merged\",\n" +
                 "      \"title\": \"testproject (master) - change 1234\",\n" +
                 "      \"title_link\": \"https://change/\",\n" +
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java
index 5877edc..a2fc138 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/CommentAddedMessageGeneratorTest.java
@@ -203,7 +203,7 @@
                 "  \"channel\": \"#testchannel\",\n" +
                 "  \"attachments\": [\n" +
                 "    {\n" +
-                "      \"fallback\": \"Unit Tester commented on - testproject (master) - change 1234 - https://change/\",\n" +
+                "      \"fallback\": \"Unit Tester commented on - testproject (master) - https://change/ - This is the first line\nAnd the second line.\",\n" +
                 "      \"pretext\": \"Unit Tester commented on\",\n" +
                 "      \"title\": \"testproject (master) - change 1234\",\n" +
                 "      \"title_link\": \"https://change/\",\n" +
@@ -252,7 +252,7 @@
                 "  \"channel\": \"#testchannel\",\n" +
                 "  \"attachments\": [\n" +
                 "    {\n" +
-                "      \"fallback\": \"Unit Tester commented on - testproject (master) - change 1234 - https://change/\",\n" +
+                "      \"fallback\": \"Unit Tester commented on - testproject (master) - https://change/ - " + mockEvent.comment.substring(0, 197) + "...\",\n" +
                 "      \"pretext\": \"Unit Tester commented on\",\n" +
                 "      \"title\": \"testproject (master) - change 1234\",\n" +
                 "      \"title_link\": \"https://change/\",\n" +
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java
index 38f0485..caf2301 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/PatchSetCreatedMessageGeneratorTest.java
@@ -211,7 +211,7 @@
                 "  \"channel\": \"#testchannel\",\n" +
                 "  \"attachments\": [\n" +
                 "    {\n" +
-                "      \"fallback\": \"Unit Tester proposed - testproject (master) - change 1234 - https://change/\",\n" +
+                "      \"fallback\": \"Unit Tester proposed - testproject (master) - https://change/ - This is a title\",\n" +
                 "      \"pretext\": \"Unit Tester proposed\",\n" +
                 "      \"title\": \"testproject (master) - change 1234\",\n" +
                 "      \"title_link\": \"https://change/\",\n" +
diff --git a/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java b/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java
index 17fa9cd..30358f6 100644
--- a/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java
+++ b/src/test/java/com/cisco/gerrit/plugins/slack/message/ReviewerAddedMessageGeneratorTest.java
@@ -182,7 +182,7 @@
                 "  \"channel\": \"#testchannel\",\n" +
                 "  \"attachments\": [\n" +
                 "    {\n" +
-                "      \"fallback\": \"Unit Tester was added to review - testproject (master) - change 1234 - https://change/\",\n" +
+                "      \"fallback\": \"Unit Tester was added to review - testproject (master) - https://change/ - This is the first line\",\n" +
                 "      \"pretext\": \"Unit Tester was added to review\",\n" +
                 "      \"title\": \"testproject (master) - change 1234\",\n" +
                 "      \"title_link\": \"https://change/\",\n" +