ICU-21249 Adds !UCONFIG_NO_BREAK_ITERATION around selected test data items.
The corresponding code that implements the feature under test is likewise
enclosed.
diff --git a/icu4c/source/test/cintltst/cdateintervalformattest.c b/icu4c/source/test/cintltst/cdateintervalformattest.c
index eb3877e..513989a 100644
--- a/icu4c/source/test/cintltst/cdateintervalformattest.c
+++ b/icu4c/source/test/cintltst/cdateintervalformattest.c
@@ -74,6 +74,7 @@
     { "cs", "MMMEd",    CAP_NONE,  tzUSPacific, Date201009270800, Date201009270800 + 60.0*_DAY,  "po 27. 9. \\u2013 p\\u00E1 26. 11." },
     { "cs", "yMMMM",    CAP_NONE,  tzUSPacific, Date201009270800, Date201009270800 + 60.0*_DAY,  "z\\u00E1\\u0159\\u00ED\\u2013listopad 2010" },
     { "cs", "yMMMM",    CAP_NONE,  tzUSPacific, Date201009270800, Date201009270800 + 1.0*_DAY,   "z\\u00E1\\u0159\\u00ED 2010" },
+#if !UCONFIG_NO_BREAK_ITERATION
     { "cs", "MMMEd",    CAP_BEGIN, tzUSPacific, Date201009270800, Date201009270800 + 60.0*_DAY,  "Po 27. 9. \\u2013 p\\u00E1 26. 11." },
     { "cs", "yMMMM",    CAP_BEGIN, tzUSPacific, Date201009270800, Date201009270800 + 60.0*_DAY,  "Z\\u00E1\\u0159\\u00ED\\u2013listopad 2010" },
     { "cs", "yMMMM",    CAP_BEGIN, tzUSPacific, Date201009270800, Date201009270800 + 1.0*_DAY,   "Z\\u00E1\\u0159\\u00ED 2010" },
@@ -81,6 +82,7 @@
     { "cs", "yMMMM",    CAP_LIST,  tzUSPacific, Date201009270800, Date201009270800 + 60.0*_DAY,  "Z\\u00E1\\u0159\\u00ED\\u2013listopad 2010" },
     { "cs", "yMMMM",    CAP_LIST,  tzUSPacific, Date201009270800, Date201009270800 + 1.0*_DAY,   "Z\\u00E1\\u0159\\u00ED 2010" },
     { "cs", "MMMEd",    CAP_ALONE, tzUSPacific, Date201009270800, Date201009270800 + 60.0*_DAY,  "po 27. 9. \\u2013 p\\u00E1 26. 11." },
+#endif
     { "cs", "yMMMM",    CAP_ALONE, tzUSPacific, Date201009270800, Date201009270800 + 60.0*_DAY,  "z\\u00E1\\u0159\\u00ED\\u2013listopad 2010" },
     { "cs", "yMMMM",    CAP_ALONE, tzUSPacific, Date201009270800, Date201009270800 + 1.0*_DAY,   "z\\u00E1\\u0159\\u00ED 2010" },
     { NULL, NULL,       CAP_NONE,  NULL,        0,                0,                             NULL }
diff --git a/icu4c/source/test/intltest/dtifmtts.cpp b/icu4c/source/test/intltest/dtifmtts.cpp
index cc91257..a1b1152 100644
--- a/icu4c/source/test/intltest/dtifmtts.cpp
+++ b/icu4c/source/test/intltest/dtifmtts.cpp
@@ -1298,12 +1298,14 @@
         { "cs",    "MMMEd",    CAP_NONE,  60.0*_DAY,  u"po 27. 9. – pá 26. 11." },
         { "cs",    "yMMMM",    CAP_NONE,  60.0*_DAY,  u"září–listopad 2010" },
         { "cs",    "yMMMM",    CAP_NONE,  1.0*_DAY,   u"září 2010" },
+#if !UCONFIG_NO_BREAK_ITERATION
         { "cs",    "MMMEd",    CAP_BEGIN, 60.0*_DAY,  u"Po 27. 9. – pá 26. 11." },
         { "cs",    "yMMMM",    CAP_BEGIN, 60.0*_DAY,  u"Září–listopad 2010" },
         { "cs",    "yMMMM",    CAP_BEGIN, 1.0*_DAY,   u"Září 2010" },
         { "cs",    "MMMEd",    CAP_LIST,  60.0*_DAY,  u"Po 27. 9. – pá 26. 11." },
         { "cs",    "yMMMM",    CAP_LIST,  60.0*_DAY,  u"Září–listopad 2010" },
         { "cs",    "yMMMM",    CAP_LIST,  1.0*_DAY,   u"Září 2010" },
+#endif
         { "cs",    "MMMEd",    CAP_ALONE, 60.0*_DAY,  u"po 27. 9. – pá 26. 11." },
         { "cs",    "yMMMM",    CAP_ALONE, 60.0*_DAY,  u"září–listopad 2010" },
         { "cs",    "yMMMM",    CAP_ALONE, 1.0*_DAY,   u"září 2010" },