misra: fix tests procedures
- R_13_06: Change volatile object "v" scope from function scope to global.
- Test_03_R_14_01: float object "f" was not declared correctly for this test.
- Test_01_R_15_06: /*@ Non-complaint */ comments where not located correctly.
- Test_02_R_15_06: Same as Test_01_R_15_06.
- R_15_07: Missing functions.
- Test_01_R_16_03: /*@ Non-complaint */ comments where not located correctly.
- Test_01_R_17_04: /*@ Non-complaint */ comment not located correctly.
- Test_02_R_18_03: Missing /@* Non-compliant */ comments.
- Test_04_R_18_03: Same as Test_02_R_18_03.
- R_18_06: Remove useless error code danglingTemporaryLifetime from /*@ tested-errors */ comment, this error only concerns C++ language.
- R_20_04: Some macros were not correctly called.
- R_21_03: char_t type doesn't exist, change to char.