EssentialTypes: Make switch cases valid

Compiler testing showed that the switch cases were not valid as they
required a statement. Added breaks to satisfy this condition.

Author: lcartey

c/misra/test/rules/RULE-10-3/test.c

@@ -131,31 +131,31 @@ void testSwitchCase() {
   case A:                   // NON_COMPLIANT
   case 100:                 // NON_COMPLIANT
   case ((unsigned int)200): // NON_COMPLIANT
-                            // case 1.0f:                // NON_COMPILABLE
+    break;                  // case 1.0f:                // NON_COMPILABLE
   }
 
   switch (e1) {
   case true:                // NON_COMPLIANT
   case A:                   // COMPLIANT
   case 100:                 // NON_COMPLIANT
   case ((unsigned int)200): // NON_COMPLIANT
-                            // case 1.0f:                // NON_COMPILABLE
+    break;                  // case 1.0f:                // NON_COMPILABLE
   }
 
   switch (s) {
   case true:                // NON_COMPLIANT
   case A:                   // NON_COMPLIANT
   case 100:                 // COMPLIANT
   case ((unsigned int)200): // NON_COMPLIANT
-                            // case 1.0f:                // NON_COMPILABLE
+    break;                  // case 1.0f:                // NON_COMPILABLE
   }
 
   switch (u) {
   case true:                // NON_COMPLIANT
   case A:                   // NON_COMPLIANT
   case 100:                 // COMPLIANT - by exception 1
   case ((unsigned int)200): // COMPLIANT - by exception 1
-                            // case 1.0f:                // NON_COMPILABLE
+    break;                  // case 1.0f:                // NON_COMPILABLE
   }
 }