Declarations7: reformat testcase RULE-8-12

Author: knewbury01

c/misra/test/rules/RULE-8-12/ValueImplicitEnumerationConstantNotUnique.expected

@@ -1 +1 @@
-| test.c:3:18:3:19 | c4 | Nonunique value of enum constant compared to $@ | test.c:3:22:3:23 | c5 | c5 |
+| test.c:3:19:3:20 | c4 | Nonunique value of enum constant compared to $@ | test.c:3:23:3:24 | c5 | c5 |

c/misra/test/rules/RULE-8-12/test.c

@@ -1,4 +1,4 @@
-enum e {c = 3};                  // COMPLIANT
-enum e1 {c1 = 3, c2};             // COMPLIANT
-enum e3 {c3 = 3, c4, c5 = 4};     // NON_COMPLIANT
-enum e4 {c6 = 3, c7, c8, c9 = 6}; // COMPLIANT
+enum e { c = 3 };                   // COMPLIANT
+enum e1 { c1 = 3, c2 };             // COMPLIANT
+enum e3 { c3 = 3, c4, c5 = 4 };     // NON_COMPLIANT
+enum e4 { c6 = 3, c7, c8, c9 = 6 }; // COMPLIANT