Remove write_prepared_transaction_test from travis

.travis.yml

@@ -21,7 +21,6 @@ env:
   - TEST_GROUP=platform_dependent # 16-18 minutes
   - TEST_GROUP=1 # 33-35 minutes
   - TEST_GROUP=2 # 30-32 minutes
-  - TEST_GROUP=3 # ? minutes - under development
   # Run java tests
   - JOB_NAME=java_test # 4-11 minutes
   # Build ROCKSDB_LITE
@@ -37,8 +36,6 @@ matrix:
     env: TEST_GROUP=1
   - os: osx
     env: TEST_GROUP=2
-  - os: osx
-    env: TEST_GROUP=3
   - os : osx
     env: JOB_NAME=cmake-mingw
   - os : linux
@@ -63,7 +60,6 @@ script:
   - if [ "${TEST_GROUP}" == 'platform_dependent' ]; then ccache -C && OPT=-DTRAVIS V=1 ROCKSDBTESTS_END=db_block_cache_test make -j4 all_but_some_tests check_some; fi
   - if [ "${TEST_GROUP}" == '1' ]; then OPT=-DTRAVIS V=1 ROCKSDBTESTS_START=db_block_cache_test ROCKSDBTESTS_END=comparator_db_test make -j4 check_some; fi
   - if [ "${TEST_GROUP}" == '2' ]; then OPT=-DTRAVIS V=1 ROCKSDBTESTS_START=comparator_db_test ROCKSDBTESTS_END=write_prepared_transaction_test make -j4 check_some; fi
-  - if [ "${TEST_GROUP}" == '3' ]; then OPT=-DTRAVIS V=1 ROCKSDBTESTS_START=write_prepared_transaction_test make -j4 check_some; fi
   - if [ "${JOB_NAME}" == 'java_test' ]; then OPT=-DTRAVIS V=1 make clean jclean && make rocksdbjava jtest; fi
   - if [ "${JOB_NAME}" == 'lite_build' ]; then OPT="-DTRAVIS -DROCKSDB_LITE" V=1 make -j4 static_lib; fi
   - if [ "${JOB_NAME}" == 'examples' ]; then OPT=-DTRAVIS V=1 make -j4 static_lib; cd examples; make -j4; fi

Makefile

@@ -494,6 +494,7 @@ TESTS = \
 	object_registry_test \
 	repair_test \
 	env_timed_test \
+	# Tests after this are skipped from travis pre-commit runs \
 	write_prepared_transaction_test \
 
 PARALLEL_TEST = \