Split the other test suite on travis (#7221)

It has been hitting the timeout a lot recently. After the split both are well under the limit.

.travis.yml

@@ -3,7 +3,8 @@ sudo: required
 language: python
 
 env:
-  - TEST_TARGET=other
+  - TEST_TARGET="other.test_a* other.test_b* other.test_c* other.test_d* other.test_e* other.test_f* other.test_g* other.test_h*"
+  - TEST_TARGET="other.test_i* other.test_j* other.test_k* other.test_l* other.test_m* other.test_n* other.test_o* other.test_p* other.test_q* other.test_r* other.test_s* other.test_t* other.test_u* other.test_v* other.test_w* other.test_x* other.test_y* other.test_z* other.test_A* other.test_B* other.test_C* other.test_D* other.test_E* other.test_F* other.test_G* other.test_H* other.test_I* other.test_J* other.test_K* other.test_L* other.test_M* other.test_N* other.test_O* other.test_P* other.test_Q* other.test_R* other.test_S* other.test_T* other.test_U* other.test_V* other.test_W* other.test_X* other.test_Y* other.test_Z*"
   - TEST_TARGET=browser
   - TEST_TARGET="asm*.test_a* asm*.test_b*"
   - TEST_TARGET=asm*.test_c*