Replace hard-coded path by variable

Replace `/proju/lmd-oce/data/AVISO/DT_2018/2006/01` by
`$large_input_dir`.

Inst_eddies/Tests/long_tests.json

@@ -65,7 +65,7 @@
 	[
 	    "$build_dir/Inst_eddies/inst_eddies.py", "-b", "1.625", "15.625",
 	    "-38.375", "-30.375",
-	    "/proju/lmd-oce/data/AVISO/DT_2018/2006/01/dt_global_allsat_phy_l4_20060101_20190101.nc",
+	    "$large_input_dir/dt_global_allsat_phy_l4_20060101_20190101.nc",
 	    "dt_global_allsat_phy_l4_%Y%m%d_20190101.nc", "-l", "20060115"
 	]
     },
@@ -75,7 +75,7 @@
         "command":
 	[
             "$build_dir/Inst_eddies/inst_eddies.py",
-	    "/proju/lmd-oce/data/AVISO/DT_2018/2006/01/dt_global_allsat_phy_l4_20060101_20190101.nc",
+	    "$large_input_dir/dt_global_allsat_phy_l4_20060101_20190101.nc",
 	    "dt_global_allsat_phy_l4_%Y%m%d_20190101.nc", "-l", "2006-01-02",
 	    "-b", "5.875", "12.125", "-32.125", "-26.875"
         ]

Inst_eddies/Tests/short_tests.json

@@ -298,7 +298,7 @@
 	[
 	    "$build_dir/Inst_eddies/inst_eddies.py", "-b", "16.125", "20.875",
 	    "-38.875", "-34.125",
-	    "/proju/lmd-oce/data/AVISO/DT_2018/2006/01/dt_global_allsat_phy_l4_20060101_20190101.nc",
+	    "$large_input_dir/dt_global_allsat_phy_l4_20060101_20190101.nc",
 	    "dt_global_allsat_phy_l4_%Y%m%d_20190101.nc", "-l", "20060102"
 	]
     },