diff --git a/tests/solidity_contract_test.py b/tests/solidity_contract_test.py
index 87023116..a90faca5 100644
--- a/tests/solidity_contract_test.py
+++ b/tests/solidity_contract_test.py
@@ -12,7 +12,7 @@ class SolidityContractTest(BaseTestCase):
         input_file = TEST_FILES / "multi_contracts.sol"
         contract = SolidityContract(str(input_file))
 
-        code_info = contract.get_source_info(142)
+        code_info = contract.get_source_info(109)
 
         self.assertEqual(code_info.filename, str(input_file))
         self.assertEqual(code_info.lineno, 14)
@@ -22,7 +22,7 @@ class SolidityContractTest(BaseTestCase):
         input_file = TEST_FILES / "multi_contracts.sol"
         contract = SolidityContract(str(input_file), name="Transfer1")
 
-        code_info = contract.get_source_info(142)
+        code_info = contract.get_source_info(109)
 
         self.assertEqual(code_info.filename, str(input_file))
         self.assertEqual(code_info.lineno, 6)
@@ -32,7 +32,7 @@ class SolidityContractTest(BaseTestCase):
         input_file = TEST_FILES / "constructor_assert.sol"
         contract = SolidityContract(str(input_file), name="AssertFail")
 
-        code_info = contract.get_source_info(70, constructor=True)
+        code_info = contract.get_source_info(75, constructor=True)
 
         self.assertEqual(code_info.filename, str(input_file))
         self.assertEqual(code_info.lineno, 6)
diff --git a/tests/testdata/input_contracts/calls.sol b/tests/testdata/input_contracts/calls.sol
index cc7998ee..9c1222c9 100644
--- a/tests/testdata/input_contracts/calls.sol
+++ b/tests/testdata/input_contracts/calls.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract Caller {
diff --git a/tests/testdata/input_contracts/constructor_assert.sol b/tests/testdata/input_contracts/constructor_assert.sol
index fa1e7018..37877a2b 100644
--- a/tests/testdata/input_contracts/constructor_assert.sol
+++ b/tests/testdata/input_contracts/constructor_assert.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract AssertFail {
diff --git a/tests/testdata/input_contracts/environments.sol b/tests/testdata/input_contracts/environments.sol
index 4a3a66a4..c872e9a9 100644
--- a/tests/testdata/input_contracts/environments.sol
+++ b/tests/testdata/input_contracts/environments.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract IntegerOverflow2 {
diff --git a/tests/testdata/input_contracts/ether_send.sol b/tests/testdata/input_contracts/ether_send.sol
index 59e1e245..ce70a9f4 100644
--- a/tests/testdata/input_contracts/ether_send.sol
+++ b/tests/testdata/input_contracts/ether_send.sol
@@ -1,4 +1,5 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
+
 
 
 contract Crowdfunding {
diff --git a/tests/testdata/input_contracts/exceptions.sol b/tests/testdata/input_contracts/exceptions.sol
index aa925603..89425589 100644
--- a/tests/testdata/input_contracts/exceptions.sol
+++ b/tests/testdata/input_contracts/exceptions.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract Exceptions {
diff --git a/tests/testdata/input_contracts/kinds_of_calls.sol b/tests/testdata/input_contracts/kinds_of_calls.sol
index 2b1cb8c4..36b8d61d 100644
--- a/tests/testdata/input_contracts/kinds_of_calls.sol
+++ b/tests/testdata/input_contracts/kinds_of_calls.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract D {
diff --git a/tests/testdata/input_contracts/metacoin.sol b/tests/testdata/input_contracts/metacoin.sol
index 557c0d11..846425ad 100644
--- a/tests/testdata/input_contracts/metacoin.sol
+++ b/tests/testdata/input_contracts/metacoin.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract MetaCoin {
diff --git a/tests/testdata/input_contracts/multi_contracts.sol b/tests/testdata/input_contracts/multi_contracts.sol
index c8c4e76a..e2ac1506 100644
--- a/tests/testdata/input_contracts/multi_contracts.sol
+++ b/tests/testdata/input_contracts/multi_contracts.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract Transfer1 {
diff --git a/tests/testdata/input_contracts/nonascii.sol b/tests/testdata/input_contracts/nonascii.sol
index d8a28a61..f660f105 100644
--- a/tests/testdata/input_contracts/nonascii.sol
+++ b/tests/testdata/input_contracts/nonascii.sol
@@ -1,8 +1,8 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract nonAscii {
   function renderNonAscii () public pure returns (string memory) {
 	  return "Хэллоу Ворлд";
   }
-}
\ No newline at end of file
+}
diff --git a/tests/testdata/input_contracts/origin.sol b/tests/testdata/input_contracts/origin.sol
index 2ceb10f8..44bdd19b 100644
--- a/tests/testdata/input_contracts/origin.sol
+++ b/tests/testdata/input_contracts/origin.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract Origin {
diff --git a/tests/testdata/input_contracts/overflow.sol b/tests/testdata/input_contracts/overflow.sol
index 5c88e847..ee94c4c6 100644
--- a/tests/testdata/input_contracts/overflow.sol
+++ b/tests/testdata/input_contracts/overflow.sol
@@ -1,3 +1,4 @@
+pragma solidity ^0.5.0;
 
 
 contract Over {
diff --git a/tests/testdata/input_contracts/returnvalue.sol b/tests/testdata/input_contracts/returnvalue.sol
index 88bd8805..f10a12f7 100644
--- a/tests/testdata/input_contracts/returnvalue.sol
+++ b/tests/testdata/input_contracts/returnvalue.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract ReturnValue {
@@ -14,4 +14,4 @@ contract ReturnValue {
     require(success);
   }
 
-}
\ No newline at end of file
+}
diff --git a/tests/testdata/input_contracts/rubixi.sol b/tests/testdata/input_contracts/rubixi.sol
index 8e1567c6..e919d237 100644
--- a/tests/testdata/input_contracts/rubixi.sol
+++ b/tests/testdata/input_contracts/rubixi.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract Rubixi {
diff --git a/tests/testdata/input_contracts/suicide.sol b/tests/testdata/input_contracts/suicide.sol
index 4c77157b..658da2d7 100644
--- a/tests/testdata/input_contracts/suicide.sol
+++ b/tests/testdata/input_contracts/suicide.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract Suicide {
diff --git a/tests/testdata/input_contracts/underflow.sol b/tests/testdata/input_contracts/underflow.sol
index 01ed4ef9..6172a107 100644
--- a/tests/testdata/input_contracts/underflow.sol
+++ b/tests/testdata/input_contracts/underflow.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract Under {
@@ -20,4 +20,4 @@ contract Under {
   function balanceOf(address _owner) public view returns (uint balance) {
     return balances[_owner];
   }
-}
\ No newline at end of file
+}
diff --git a/tests/testdata/input_contracts/weak_random.sol b/tests/testdata/input_contracts/weak_random.sol
index 5acdd7ef..4433d515 100644
--- a/tests/testdata/input_contracts/weak_random.sol
+++ b/tests/testdata/input_contracts/weak_random.sol
@@ -1,4 +1,4 @@
-pragma solidity 0.5.0;
+pragma solidity ^0.5.0;
 
 
 contract WeakRandom {